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Tổng hợp câu hỏi trắc nghiệm về kim loại Hóa 12

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TỔNG HỢP VỀ KIM LOẠI

Câu 1 tinh thể lục
phương !
A." B2 C.# D.$
Câu 2%$&'()*+",-.)*+/"-.)*+/$-.)*+/,-&01
&!2342!5!$'
"
6
A.  B.  C. ( D. K ,
Cr ,Cu
Câu 372892':;<=&0>?(@
A. (@ B. (@ C. K,Na,Mg, Al ,BD. @


(
Câu 4%'('A@@(!BCDEBDF6
A@ B.Ag C.DA
Câu 5: (!'C3=BCDFF>
A.G! B.Bạc. C.HI D.
J
Câu 5(!KF$'@AL<
A AB. NaC@ DL<
Câu 6(!KF$'@(
A. @B. ( C. Na D. 
Câu 7: (!'C3CM:4FF>6
A.GN B.Crom C.7 D.HI
Câu 8: (!'C3DCM>FF>6
A.Vonfam B.7 C.HI D.(O
Câu 9A(@(=09F!
A.A B( C.Ag D


Câu 10: PICKQCRST4UVRJQT4UVW
#
CE
M!
A. L<@ B. Fe, Al, Cr. C. A@        D. 
A@
Câu 11:#XY*Z
[XQT4VJQT4WVT!VW
#
CEM
[YQCRST4VT!VW
#
CEMJQT4WV
[*QCRST4VT!WVJQT4VW
#
CEMG\XY*?
RS!
A. *@ B. Fe, Mg, Al . C. A@ D. A
*
Câu 12: A@*2>:CRST4U
V!
A. ] B. / C. 3. D.
$
Câu 13:P!'C3^IFT_QCRST4UVT_Q
CRST4U@W
#
6
A.* B.@AW C.Fe, Ni, Sn D.V

Câu 14: C8WV)WV-

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#
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VC8=<`a
F!
A. WV B. )WV-
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#
 D.
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Câu 15P!'C3CKCRSR4
A. ...b< B. Li; K; Cs; Ba C. .(.. D. (..
@.
Câu 16: F@
/
W
#
(WV@)WV-
#
W FQT4V
/
W!
A. $ B. / C. 1. D. #
Câu 17: %F>A*@CKQCRST4U
A. V B. V

/
W
$
 C. HNO
3
loãng.D.
(WV
Câu 18:^5U(WVC 23<DCRSF&<D!'C36
A*@
/
W
#
@ B( C. Mg, Al
2
O
3
, Al. D.A
@
/
W
#

Câu 19FVW
#

/
W
#
)VW
#

-
/
A
#
@
#
F2>:CRST4
WV!
A.4 B/ C.# D]
Câu 20F@
#
VW
#
@)WV-
#

/
W
#
@FCK
QCRST48VUWV!
A/ B$ C3. D]
Câu 21PIFCK=Flưỡng tính
ANaHCO
3
, Al(OH)
3
, Al
2
O

3
 B@
#
@)WV-
#
@
/
W
#

C.@@)WV-
#
@
/
W
#
 D.@
#
@)WV-
#
@
/
)W
$
-
#

Câu 22F@@/W#@/)W$-#*)WV-/V(/W#)V$-/W#FRc
=!
A. 4. B] Cd  D

e
Câu 23F)WV-
#
@
/
)W
$
-
#
)WV-
/
*)WV-
/
W
/
W
#
@@
/
W
#

F=FRc=!
A. ] B. / C. # 
D. 4
Câu 24f3đúng3'
AH'J^!KR4:Tgh B@2RT4R4C
C. Sục khí CO
2
dư vào dd NaAlO

2
sẽ thu được Al(OH)
3
D

(^K!F0
F
Câu 25%i3sai3'
A. Kim loại kiềm thổ gồm các KL : Ca,Sr, Ba,RaBP
/
W
#
R42>:
K
CVS259!TjQTD3
D.&7Ck9@!CD23@
/
W
#
>
Câu 26L< !'C3sai6
A. !(lF)+m]#-'
B. %=FfCER1!=0
C. Để điều chế KL yếu ,phải dùng pp điện phân nóng chảy muối của chúng trong nước
D. @!(nF'(
Câu 27(9\!'C3không đúng6
A. Al(OH)
3
, Cr(OH)
3

và Fe(OH)
3
đều là hiđroxit lưỡng tính.
B. (KCRSR4oDCMRp
C. ACK2>:T4
/
VT!UW
$

D. (2>:T4VW
#
@ACK<U84:8q#
Câu 28: A@.=0F!
A. @ B. Na. C.  D. A
Câu 29:F@@
/
W
#
@
/
)W
$
-
#
VW
#
)V
$
-
/

W
#
FCK2:
CRST4UVUWV!
A. 5. B. d C. e D. $
Câu 302R!'C3không đúng
A. *q/
#
*
/
q/
/
B. FeCl
2
+ 2AgNO
3
(dư) Fe(NO
3
)
2
+ 2AgCl
C. q/A
#

/
q/A
/
D. (
/


/
W
d
q/(WV/(
/
W
$
qV
/
W
Câu 31: %;D=D'
)- @T!UV)<-@T!U
3
AgNO
)-T!
2
H O
)-@T!U
2 4
H SO

%=D&'=D8>2>:!
A. 3B.$ C." D/
Câu 32!CK2>:T4UW
$
!
AV B. Na, Al, Fe, Ba C@A@D@
Câu 33FV
$
)V

$
-
/
W
$

/
A
/
@
#
.
/
F
QT4RSRU)WV-
/
!91!
A.]B. 4. C". D.
#
Câu 34 .2>:f)"-VW
#
q)WV-
/

→
W
#
qWVqV
/
W

)/-/VW
#
q
/

→
W
#
q/qW
/
qV
/
W)#-VW
$
q
/

→
W
$

qqV
)$-#
/
qe(WV
→
](q(W
#
qV
/

W)]-A
/
W
#
q/@
→
@
/
W
#
q/A
L>:không8>oCKDRp!
A.2,4,5B./#$ C/#]
D"/]
Câu 35: L< !'C3không Cr6
A. Do Pb
2+
/Pb đứng trước 2H
+
/H
2
trong dãy điện hoá nên Pb dễ dàng phản ứng với dung
dịch HCl loãng nguội, giải phóng khí H
2
.
B. %JRpK)sss-=0T!<UF8 !
)Gs-
C. @J2>:T4UV
/
W

$
R2>:T4UV
/
W
$
CE

D. WQT4V
#
EWCKCRS
Câu 36: FWV)WV-
/
L<)WV-
/
@)WV-
#
)WV-
#
F=Flưỡng
tính!
A. / B. " C. 4.  D. #
Câu 37:P!'C3CRS892Cr:;=0t?
A.L<*A B. Pb, Sn, Ni, Fe, Cr, Zn
C. A*L<@ D. L<A*
Câu 38P&0!'C3CKFi2342!!)["-
"m
'
"
A. Cu; Ag ; AuB. .@.C. .@.L<D. ..
L<

Câu 39&01&bFiu=9v)w"-
8
'
"
)8+]E8+"m-b
 !
"-. /-@.#-. $-*.]-
A. "/#$]B. 1, 2, 3 C. #$] D. "/
Câu 40
/q
@
#q
A
/q
A
#q
s'CM34F!
A.@
#q
 B.
/q
 CA
/q
 D.Fe
3+
Câu 41V'72892
q
A
#q
@

q

/q
@
#q
A
/q
:;=)>t-8
t?Vf:;đúng
A.
q
xA
/q
x@
#q
xA
#q
x
/q
x@
q
. B.Na
+
< Al
3+
< Fe
2+
< Cu
2+
< Fe

3+
< Ag
+
;
C.
q
x@
#q
xA
/q
xA
#q
x
/q
x@
q
. D.
q
xA
/q
x@
#q
xA
#q
x
/q
x@
q
.
Câu 42#2>:/@qA

/
W
#
y@
/
W
#
q/A
AqW
$
yAW
$
q.q/@W
#
y)W
#
-
/
q/@
2>:&:=01>:;!6
A. Azz@z@B. @xxAx@ C. @zzAz@ D. Al > Fe > Cu
>Ag
Câu 43.@.AT!CRSFCUJ:;XY*%<9{
|X.YCRSCK9<{2Ra22CD23>
|XC}CRS%ZU
|*QCRST4UV
/
W
$
CERJQCRST4UV

/
W
$
CE
M
XY*%:;!
A.@...A B.@.A. C.A.@. D. Al; Na; Fe;
Cu
Câu 44: (%/m"#- P@( 2>:T4
RSR UA
#
91
A.3B$C]D/
Câu 45~S2IW.VW
#
.@^D'!"""T!R4RF
2>:8>!!f<Z91CRSY:Fi6
A. 
/
W
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B. NaAlO
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#
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E2F!!MRSRUV!
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Câu 55^5MF!'C3C \<9F<M7@
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#
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A. V
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2
O  D. 
WV
Câu 56H 23<D]F7'W@@
/
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#
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A. P)WV-
/
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2
O C. PV D. PWV
Câu 57$B<M.@..A^5&R423<DCRSCF
B
A. /B. " C. 4 D. #
Câu 58.$F7$f&<DIWV@T!@
/
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#
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AVB. H
2
O.CVW
#
CEM D
(WV
Câu 59FW@.W.(VW
#

.u@)WV-
$
v.@
#
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/
W
#
<&
FR4oDCM2ƒ2Vzd
A. ] B. / C. # D. 4
Câu 60F(...W.W.@
/
W
#
.
/
W
#
<&FCRS
R4oDCMRp!JRpK
A. # B. e C. ] D. 4
Câu 61LRif!'C3không Cr6
A. /@q)WV-
/
q/V
/
W→)@W
/
-

/
q#V
/
B. q)W
#
-
/
→)W
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-
/
q

C. Al +NaOH → Al(OH)
3
↓ + Na D. •@q#A
#
W
$
)C-→$@
/
W
#

q,A
Câu 62
F@A
#
W
$

UVU)WV-
/
W
/
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8>!
A.e B.d C. 8 D.,
Câu 63
%_~S2XI@
/
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#
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F')QQT!CKD2>:RC1-
A.V
/
W
$
V
#
B.WVV
#
WC.VW
#
CEWVW D.NaOH, CO
2
, HCl
Câu 64I=H
2

)R-„~S28WA
/
W
#
*WWoDCM
2>:~S27ƒ!
A. A*B. Cu, Fe, Zn, MgOC. AW*WWD. A*W
W
Câu 65 (=H
2
C„@:WA
/
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#
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/
W
#
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I
A.AB.WA
/
W
#
C. MgO, Cu, Fe D.
A@
Câu 66:I=H
2
dRC„:@

/
W
#
WWL<WA
#
W
$
>92>
:8>!!~S2CRS'2>:!
A. @
/
W
#
AL<B. @
/
W
#
AWWL<
C. MgO, Al
2
O
3
, Cu, Fe, PbD. @
/
W
#
WAL<W
Câu 67V~S2@I@
/
W

#
WAWW=W__C9R„@
CRSF7VƒT!WVRCRST!F7PV__C9
RT!VƒF7PT!VW
#
R)W-2Rai2>:
8>!
A. 9 B. • C. "m D. ""
Câu 68__WVC9RT!:
#
.*
/
.A
/
.
/
CRS91
@@J=C9RSJC•CRS7%!2?F
I
A. CuO ; Fe
2
O
3
B. W.AWC. W.A
/
W
#
.
/
W

#
D. 
/
W
#
.
*W.W.A
/
W
#
Câu 69$U&<D
/
*
/
A
#
@
#
9&U(WV
RI&92UV
#
RT!$U&i'F91CRS!
A. 1B./ C# D$
Câu 70 UWVC9RT!U:*
/


A
#
T!

/
CRS91@
!!@CRSF7I=WRC„'OCRSF7'2>
:!
AAB. Cu và FeC*WAD*
A
Câu 71UWVC9RT!U~S2I@
#
T!AW
$
CRS1@
@J=C9RSJC•CRSF7V
/
R„
2>:!CRSF7:
A@T!A B. FeC.@
/
W
#
T!A D.@@
/
W
#
AT!AW
Câu 72U)WV-
/
RT!U:A
#
W
$

@
#
CRS9
191J=C9RSJC•iCRSF7XF7X
I
A.AWW@
/
W
#
BA
/
W
#
WW
$
CA
#
W
$
WW
$
D. Fe
2
O
3
, CuO
Câu 73X!IAW
#
A
/

WAW
#
XQVW
#
C\CER
CRSYYQWVRCRS91**oDCMCRSF7%
%QV
/
RoDCMC9RSJC•CRSF7%
"
%
"
!
A. WAB. Cu, Fe C. AW D. A
/
W
#

W
Câu 74~S2@AAW
#
A
#
W
$
QT4UWVRfF91I
!/2?L?"CQT4UVW
#
RL?/CQT4U
VR2>:808>!

A] B. 6. C•  D.d
Câu 75VX:W
/
W
#
W@

CC92>:!!CRSF7
XXT!WVCERF…F=<T!CSF7Y92:
8>!!iF7YI
A. W
/
W
#
B.  C. MgO, Cu, Cr D. W
Câu 76V~S2<MXIW
#
A)WV-
/
@)WV-
#
WW
#
XJ=
C9RSJC•CRS~S27@
"
@
"
T!R4RFCKCRSU
:/FT!2?J

"
=WR„<i:
"
CRS~
S27†)2:8>!-†:C
A."CaFT!/S2F B.#CaF
C./CaFT!/S2F D2 đơn chất và 1 hợp chất.
Câu 77Vƒ~S2)@A-T!UV
/
W
$
R2>:
8>!!CRSUXU)WV-
/
RT!UXCRS
91YYJ=C9RSJC•CRSF7*!
A. ~S2I@
/
W
#
A
/
W
#
W
$
B. ~S2I@
/
W
#

AWW
$

C. A
/
W
#
D. hỗn hợp gồm Fe
2
O
3
, BaSO
4
.
Câu 78%E2')"-A)/-A)#-A@E2
QT4 UVW# U:C#)J RpS2
V$W#-!
A.)"-B. (1) và (2)C.)/-T!)#-D)"-T!)/-T!)#-
Câu 79LRaif!'C3< ‡=81ES2F1
 :
@
3
3 2 3 4
3 3 ( ) 3Al NH H O Al OH NH
+ +
+ + → +

2
3 2 2 4
2 2 ( ) 2Fe NH H O Fe OH NH

+ +
+ + → +

2
2 3 3 4
( ) 4 [ ( ) ] 2Cu OH NH Cu NH OH
+ −
+ → +
D.
3 2 2
3 2 3 3CuO NH Cu N H O
+ → + +
Câu 80%RpS2F7không<Uƒ9!
A. Cho hỗn hợp chứa 0,1 mol Cu và 0,1 mol Ag vào dung dịch chứa 0,2 mol axit nitric
đặc.
B. ~S2:m"](T!m"@T!R4
C. ~S2:m"8'7sssT!m"T!UVR
D. ~S2:m"T!m"*T!U:m]CI
Câu 81%;D=Df'
"-(0A
/
W
#
<{=WRoDCM /-RT!A
#

#-HD23W
$
i$-P5QAW
$


F=D''2>:6
A. $ B. 3 C. " D. /
Câu 82

FA@T!UVW
$
A
/
A
#
E2F2>:T4
!
 A" B#C./ D.4
Câu 83F7A@T!UW
$
AW
$
A)W
#
-
#
2:8>_E2F
M!
A. 3 B. /C. " D. $
Câu 84: %;D=D')oCKDRp-
)-CIT!U'7)sss-)<-Q=C'NT!UCI)ss-
'N
)-U<T!U'7)sss-)-<MRˆT!1
3

=D8>2>:!
A. 4. B. # C. /
D. "
Câu 85@L< !'C3khôngđúng 6
A0 0CRS
/q
B
/q
 8CRS0@
C. ion Ag
+
có thể bị oxi hoá thành AgD.WJ 0W!
Câu 86 ~S2<M@T!AT!U:)W
#
-
/
@W
#
2>:
8>!!CRS~S2I#
A@AB@A@C@@ D.Fe, Cu, Ag
Câu 87H \<9U@)W
#
-
#
)V
$
-
/
W

$
W
#
V
$
W
#

/
W
$
C;&<D]fF50!
A. Ba(OH)
2
  B
/
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Câu 89H 23<D$Fo<M@@
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!
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F!E2FR4C3C \<96
A. HCl và NaOHB. VT!@W
#
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$
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/
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/
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Câu 92%ME2U@W
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A.)"-)/- B.)#-)$- C(2), (3). D)/-)#-
)$-
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#
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Câu 95:V!!!~S2IW*)WV-
/
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/
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CRS91YYJ=C9RSJC•CRS~S27*'CB
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%‰:
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4
, Fe, Cu B. WA@
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C. WW
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$
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Câu 96:(23=MRp!=D'
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/
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)
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.Al
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)
3
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O B.)V
$

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Câu 97: Z__UWVC9RT!UX2>:8>!
!^CRSU'FUX!
A. AlCl
3
. B. W
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C. A)W
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Cõu 98: ~S2XI@A@QT48RCCRSF7Y
YT!UVRFg'CFUCRSQT4
UWVRfF91!CJ=C9RSJ
CCRSF7*92>:8>!!%!2?1*I
A. A
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#
W@ B. Fe
2
O
3
, CuOC. A
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W
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D. A
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Cõu 99:

V~S2I@@/W#*V!!!UVW#CRS
UQT4UV#RCRS91%%4RSJCCRS
F7b
%!2?1b!
A.Al2O3B@/W#W*WC@/W#*WD@/W#W
Cõu 100:2>:'h2>:ỳng !
)"-/Aq#s
/
y/As
/
)/-#A)R- qVW
#
)-y#A)W
/
-
/
q/Wq
$V
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#
q A)W
#
-
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-
#
q @)$- /@
#
q #
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e
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V
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)d-)VW
#
-
/
q/)WV-
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)R-y/W
#
q)WV-
/
q/V
/
W
A. )/-)#-)]-)d-B. )"-)/-)#-)$-)d-C.(1), (2), (3), (6), (7)D. )"-)/-)$-)e-
)d-
MT S BI TP C BN

Cõu 1:V9"d#~S2I@* A<{H
2

SO
4
loóngCRS
G=oCT!d$,'NU1G!
A. 1,344 B"mm C""/ D
##e
Cõu 2:Hoaứ tan hoaứn toaứn mg hh ba kim loaùi Zn, Mg, Fe vaứo ddHCl thỡ thoaựt ra 1,344 lớt hidro
ủkc. Laứm bay hụi dd thu 7.16g muoỏi khan. Giaự trũ m laứ :
A.$#dB. 2,9. C.d/ D.]m#
Cõu 3:/m<M8*W.AW.W.A
/
W
#
A
#
W
$
2Rva /mmHCl $
CRSX(RSX!
A. $mB. $]C. 42 gD.
]$
Cõu 4:V!!/"~S2IA
/
W
#
WW]mmV
/
W
$
m"

T_C1J'2>:iCRS'!
A. 6,81 B$" C.#" D.]"
Cõu 5: /~S2IWA
/
W
#
WQT_C1T4/mmU
V
/
W
$
/](RSCRS!uA+]e.+/$.+e$.W+"e.+#/v
A. dem B. e C. $#$ D. 68,0 gam.
Cõu 6:"m//]S2AT!@T!WVR/]/==CF7J
QVR##e==(=CoCRS'7S2
!
A. 54,77. B. e$ee C. ",m D. /"]
Cõu 7: "mmS21A@QT4UWVRed/=
=)C-T!M2?7JfF2?JC!9<{U
VR)JJ=-#•m•==)C-%!2?‹RSF
S2!
A. 5,4 % Al; 86,8% Fe và 7,8 % Cr Bd•‹@.•e•‹AT!]$‹
C.$m]‹@."#ee‹AT!•//,‹ D.$m]‹@.•//,‹AT!"#ee‹
Câu 8: =W R0!!~S2IA
#
W
$
T!WCRS/#/~S2
(=CT!U)WV-
/

RF]91(RS~S2/8<
C?!
 A3,12 gam B.#/" C.#// D.#/#
Câu 9:=W„C;IWAW@
/
W
#
(=T!
R4TJRF#m917'2>:F7ƒ!/m/%U'
!
A. 206,8 g B. /"e• C. "m#$ D. /"e•
Câu 10:H!!$m$M~S2<MI@AJ=
CRS],e~S2#8Vƒ9~S2#8<{UV/. %= =
UV?5
A. m]=Bmd=C. 0,12 lít.D"
=
Câu 11:Im,"AŠmm]T!]mm@W
#
m•$2RCRS
PP:F!
A. A)W
#
-
/
.)W
#
-
/
.@W
#

B. Fe(NO
3
)
3
; Cu(NO
3
)
2
; AgNO
3
C. )W
#
-
/
.A)W
#
-
/
.A)W
#
-
#
D. )W
#
-
/
.A)W
#
-
/

Câu 12:•~S2<M'7&)'<{-QT4$]m@W
#
"
'2>:8RSF7CRST!:F
A. $#/7.@W
#
A)W
#
-
/
B. 48,6g rắn; dd có Fe(NO
3
)
2
, Fe(NO
3
)
3
C. /•]7.@W
#
T!A)W
#
-
/
D. $#/7.A)W
#
-
/
A)W
#

-
#
Câu 13:ed/~S2@@A*T4"RS=W
/
RH92>:
8>!!CRS,/•F7X% =UV/T_C0C 2>:
T4X!
Aemm B.•mm C.1600 ml 
D."/mm
MỘT SỐ BÀI TẬP NÂNG CAO
Câu 1: ($"$~S2XIA
/
W
#

/
W
#
T!@
/
W
#
QT4UWV
CE)R-'2>:CRSF7RS"eH 0!!$""X
<{2>:DJ2>5"m•@!2?2?tRS1

/
W
#
~S2X!)'F12:!"mm‹. A.]med‹

B./m##‹ Ceeed‹ D. 36,71%
Câu 2: "e•~S2@IAQ9T4V
/
W
$
CE2>
:F~S2T!=W
/
 =+"mm•=)C-%=RS
CRST!'V
/
W
$
2>:
A. 6 gam. B. ], C.e] D. d

Câu 3: Vƒ!!]/bUVW
#
CRSU@J
=RSRUWVT!U@iCRS$$•=)H(-(
b!
A. Zn BL< C. D
Câu 4:Vƒ~S2<@VW
#
)R-CRSXT!
=YIm"~=W
/
W
/
W

/
VW
#
C2>:!
A. 2,8 mol B"$ C$/ D.]e
Câu 5:~S2XI@*T!Q9T4UVW
#

CRSUY)J-T!""/=)C-~S2=*)I
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W
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WT!
W
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C
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T!W
/
2?t =<{-^CT4<{•,
VW
#
2>:!
A. #$B. 3,2 molC. /•D. #m

Câu 6:V!#~S2bUsUssT!U~S2
VW
#
V
/

W
$
2>:CRSU@T!"#$$~S2IW
/
T!=
RS~S2!/,$9F"=U@QRSRT!V
/
W
$

iJF=%=RSU@
A. 6,36g B. ee# C. dme D. #ee
Câu 7: G=~S2=)oC-IWT!V
/
2>:T4MRSR~S27
IWT!A
#
W
$
2>:8>!!RS~S27
>m#/‰U1G!
A. 0,448 B. m""/ C. m//$ D. m]em
Câu 8: //#~S2XIA@*8'Mp
CRS/d"~S2YV!!!YT!UVW
#
)R-CRSmed/
==W)'>2}0FoC-VW
#
C2>:!
A. m"/ B. m"e C. 0,18. D. m"$

Câu 9: ƒ=WRC„~S2)X-:#",I@
/
W
#
*WAWT!W
iCRS/•d~S2F7)Y-!<MS2F7)Y-QT4U
VRCRSG=V
/
)C-‰UG!
A. ]em= B. 4,48 lít. C. ed/= D. //$=
Câu 10:Vƒ!!~S2Im"/A
/
T!
/
T!UVW
#
)T_C1-CRSUX)^:/'N-T!=FW‰U1!
A.0,06 Bmm$ Cmmd] D.m"/
Câu 11.~S2@I8A
/
T!
/
QT4VW
#
RC
^CRS'N1T!>2=FW%^D8U!
A. 2. B. m] C. "] D. "
Câu 12:Vƒ•~S2IAT!)U/C:R4V
/


CD-T!UVRCRS$$•V
/
)C-EC ƒ$•
i5RC9]mmUV"(!:
A. MgB* C D
Câu 13:"m"X<MIT!*QT_C1]mm~S2@W
#
m$
T!)W
#
-
/
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A. /$ B. 3,6g C. /]/D. #•$
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Câu 20:

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 ƒC9„i&'>2}0F1
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‰U1!
A. 9,76B. $,e C. ,"/ D],/

Câu 23: H~S2I",/T!$$•AT4~S2=XIT!8
'2>:^CRS~S2YI8T!)Jƒ=R-Vƒ
Y<{MRST_C1"/mUV/CRSU*@W
#
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U*CRS]ee,91L?t =1~S2X!
A. ]"d/‹  B53,85%. C. ]e#e‹ D. dedm‹
Câu 24:Vƒ9~S2I*@A@5'
UVW
#
RiCRSUXUXQT4
UWVRC92>:!!92QF2?JCQT4U
V
#
Riƒ/"$F7‰U1!
A. $e"  B. •,e C. $$m D. 8,62.
Câu 25: V~S2XI@ *F ~S2XQ9T4
UVRCRSed/= = )oC- jF  X  Q9 T4
UV
/
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CERCRSG==W
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-‰U1GT!?RS
!
A. ##eT!/•• B. 6,72 và 28,8. C. ed/T!]deD. ##eT!
"$$


Câu 26:V!S2Im"@T!m"]UVW#iCRS
mmd~S2XI/=J!T!UYJYCRS$,,~S2
VW#C2>:!
A.md]BmedC. 0,73D.
md/
Câu 27:"d,S2IAT!@T!<iC;/mmUV/W$/$m"‹
2:8>!CRS,eF7T!]e==)C-%&
92T!<i"m/W#29ri ==W)C'2F-
!T!RSU!
A.//$=T!],"•B./e••=T!],"•C. 2,688 lít và 67,7 gamD//$=T!
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