Đề thi HSG hóa 8 nam trực nam định năm 2017 2018

PIIdNG clAo l)11{l \1,\ i}..\(} T+t}
\,\hl I lt{ t

otr

rHt I{sG cAP HUYEN NAM HQC 2017 -2018
Mdn thi:

L6'P: 8

'[hiti giun ldm bc\i: 150 Philt
(Ei rhi g6nt 0l trang)

op cl-tixtt t'ttt it'

B:ii 1:G,5

llOA I{QC-

ctiAm)

rr, Quan

sit

sir rio itir,ir rC tr6 clrttlg ctt tl-ri nchi0m

hirl ric tlirrlt cric elrlt r l:- t . i ).
Neu hion tuotlg','li i i.'t i'i,r-' lrlltLt.rt.tg lriLih hoi hoc rity

saLr.

ra'?

b" C(t 5 chir t'rin rririr.t iri,,g clan5r b6t gonr: CzrCO3.
CaO. Pz0.s, NaCl. Nli3O. iiil' Li'inh bi'r phLLone phiip hoa
hr.rc cLj phin biOt clc ciriiL trCrr. VicL phLtottg trilrl-i phin
irng

(n0r-r

c6)

siL.clttng b6p than t6
oggtrolg silh hoat.'l'ltcc, i:ttt srt citrng ll['p thall t0 orlg ccl
gi)' o nhi6nt ut6i trLtiittl i'lrt)trg'l Girli tiricl-r.
c, M0t sd

gir cll;rh i;i0rr u:tt'cotl

Brii 2: (5.5 diern)
a. []ho ciic c[,iL i,., cing thirc htil ltoc slitt: IlBr, Cu(Oll)2, I'uOs, KOII SO3, H2SOa,
Ire0, NarP0.1" Naiil-Or. lius()-, GQi rCri r ii phin loai cdc chit trcrl.
b, viet phuo.ng Lririii Lrolr lioc., tlrc.r rti clo 1'rhirtr [ttlg sttt-t:
Cu (') > tluo l'r; 1110 --Lr5 lllsor t'r) ) I{2--!5 F-e*rbFe3oa
Ilr\i 3: ()rliim 1.
a" Llop chat A ci r,'i',rr'! illirc phin iii Ai,,X,,. 1;hln tir A ch[La 5 nguy€n tu vd phfln tfr kh6i
li i02. Xiic dinh c0n!' lhiii cirii r\'
b, Clho 0.8 gartr ilirrr lLiai B tiic dLrng r'6'i nrLil'c du. sar-t phlin frng thr"r dugc dr-rng diol-r
bazo vi\ 0.448 lit lilii hitlr.l iv tllttc. Xric clinh Il.
Ilii 4: (2 diAD.lloil t:tn I i.2 gln-r Fc viio 400 gairr tltu-rg clich H2SOa 19,6oh.

a. 'l'inh th6 tich iilii itirlrtl tl-Ltt cliLoe ir tllttc.
b"'finh nfing clii r)1i.:'Jur .-riic chii tr-otlg clurrg tlich sar,r phan u'ng?
Eii 5: (3 ii\d: Nqir.ri tr: rii'trhirlh liai Lhi ttrilri0ttl slttt:
-'i'hi lghient i : ch.; ttt Lti.ttn N{g r io cdc,thtrr'linh ch[ra 29"4 gam H2SOa.
- l-tri rignigpr 2 : .ir,; ,,i garl itl vr'ro c6c tiriry tinh chitii 2(),4 gatn HzSO+ nhu o thi
nghiOm l. Xirc clinh nr ilt
a, I(ittt loiri trottg. irrii lili nglri0rl tilrl h0i lrcirrg axit.
b. Cl6 m6t kin-r lorii rari irit vii liir-rllt;iii I'h0ng tan l-rOt
finh tlii Litrir l,iri l{2 ti nrOi ti'LLirtlg hrrp trerl.

Ilii

6(i, 0 rtiAm).

a. I(hir hciiii'i ttriin -i"'iii glilr mOt oxit cira
'l'oiin bd lLroltg liirrt ltxii tltit iltLi.r'c cho tiic cltitig

iiiin loai M cin dtrng 1.344 lit khi H2 o dktc.
vtii cltlng dich FICI dtr thu ducTc 1,008 lft khi

'fim liirn iutii Vi ',':r orit ctllt rlo.
o cllitc.
'/.n I{tc dlrng v6i 500 rnl dung dich HCl 2M.
b. Ciro I1.3 grrur i,iil lrrilr X goril h4g Vi
ChLlng rlinh rang SrL) i)iiiiii iitrr: trti'i h0lr lro'11 ,X. arit vin cdt-r dr-r'?

1-12

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SBD

yti t?rt ltqtc sittlt

Giritrt thi

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