UBND eUAN THU puoNc cdir iuc v^r EAo.. Thili gian lirm bhi:.[r]
Trang 1UBND eUAN THU DUC un xrnvr TR4 HQC xi'r - xAtvt HQC: 2018-2019
puoNc cdir iuc -::'"' v^r EAo rAo -' NGAy Krryl'I 1|1:1e1Yf91s
tvt6N:noaHgc-Ldrq
oi: cHixn rntlc
O6 c6 01 trang
Thili gian lirm bhi: 45 phrrit (Kh6ng te tnOi gian ph6t d6)
Ciu 1: (2,5 di6m)
-
vi6t pn.r*g trinh h6a h'c thuc hiQn chuSi phan img sau:
Zn -> ZnO -> ZnClz + Zn(NO t)z ' Zrr(AH)z + ZnSOa
Cflu 2: (1,5 tli6m)
Bing phucrng ph6p h6a hgc h6y ph6n biQt c,a9 dung dich dpng trong c6c binh ri6ng biet ;6i nhAniau: t<Cl, ttNO 3,BaC12,KOH Vi6t phucrng trinh h6a hqc'
cflu 3: (0'75 di6m)
khi re o, vd N, * En khi doc ln Thdnh ph6n chinh cria kh6ng khi la 02 vd N2 Khi kh6ng khi c6 ll
Cl2 thi ;6 th6 .t o tqi qua dung dich nno sau day t10 loai bo chring?
a) Dung dich CuSO4 b) Dung dich HzSOa
Vi6t phucrng trinh Phin img'
Ciu 4:'(1,5 tli6m)
Cho cdc kim lo4i sau: Al, Ag, Cu, Au H6y cho bii5t kim 1o4i nio t6c dpng vdi:
a) Dung dich HCI
b) Dung dich AgNO3
Vii5t phuong trinh Phan ung
Cffu 5: (2,0 tliSm)
cho 200m1 dung dich KoH lM t6c dpng vta dti dung dic[MgSoa 2M
a) Tinh thiSi hqng k0t tua thu dugc'
b) Tinh th6 tich dung dfch MgSOa 2M c6n dtng'
c) Tinh n6ng ttQ mol/lit dung dich sau phan img'
pi€t ttr6 tich dung dich thay aOi nrOng d6ng kA)
C0u 6: (0,75 tli6m)
pang
b4ch li mQt hqp kim gdm Niken, kem vd itdng $gi ly*., cira.chring Bn
luqr ti lQ v6i 3:4:13 Hoi ph6i c6n bao nhi6u kilogam m6i lo4i di5 s6n xu6t ra dugc 100kg ddng b4ch?
Cfru 7: (1,0 tli6m)
Ttr cdc chft Na, Fe2O3, A1, H2O vd dung dich HCl Vitit cai phuong trinh h6a hqc dieu chi5 Alclr, Fe(OH)3
(Cho bitit: K: 39; H: l; Mg: 24; 0:16, S:32)