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BÀI TẬP TRẮC NGHIỆM HÓA ĐẠI CƯƠNG VÀ VÔ CƠ CẨM NANG DÙNG LUYỆN THI THPTQG CHẤT LƯỢNG CAO (COLOR BOOK)

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M 2SO 4<br />

đây?<br />

(A 2SO 4 .<br />

(B) 2SO 4 .<br />

(C 2SO 4 .<br />

(D) 2SO 4<br />

N<br />

(A) Fe, Mg, Zn, Cu.<br />

(C) Ba, Mg, Fe, Zn.<br />

(B) Na, Ba, Cu, Ag.<br />

(D) Fe, Al, Ag, Pt.<br />

2SO 4 loãng là<br />

O<br />

không đúng?<br />

(A) 2Al +3H 2 SO 4 Al 2 (SO 4 ) 3 +3H 2 .<br />

(B) 2Fe + 3H 2 SO 4 Fe 2 (SO 4 ) 3 + 3H 2 .<br />

(C) Fe + H 2 SO 4 FeSO 4 + H 2 .<br />

(D) Pb + H 2 SO 4 PbSO 4 + H 2 .<br />

P<br />

ãy cho<br />

(A) H 2 S. (B) Cl 2 . (C) SO 2 . (D) N 2 .<br />

Q<br />

KMnO 4<br />

(5)<br />

(1)<br />

(3)<br />

CuS H 2 S S SO 2 SO 3 H 2 SO 4<br />

(4)<br />

FeS<br />

O 3<br />

O 2<br />

KClO 3<br />

SO 2 SO 3<br />

I 2<br />

(3)<br />

(2)<br />

(5)<br />

S<br />

(1)<br />

(2)<br />

(6)<br />

(9)<br />

(4)<br />

(6) (8) (9)<br />

(7)<br />

(10)<br />

(7) (8)<br />

H 2 S<br />

(10)<br />

(11)<br />

(12) (13) (14)<br />

H 2 SO 4 nSO 3 H 2 SO 4<br />

(15)<br />

CuS<br />

CO 2<br />

7<br />

179

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