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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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X<br />

(1) (NH 4 ) 2 SO 4 + BaCl 2 (2) CuSO 4 + Ba(NO 3 ) 2<br />

(3) Na 2 SO 4 + BaCl 2 (4) H 2 SO 4 + BaSO 3<br />

(5) (NH 4 ) 2 SO 4 + Ba(OH) 2 (6) Fe 2 (SO 4 ) 3 + Ba(NO 3 ) 2<br />

(A) (1), (2), (3), (6). (B) (1), (3), (5), (6).<br />

(C) (2), (3), (4), (6). (D) (3), (4), (5), (6).<br />

Y<br />

(a) FeS + 2HCl FeCl 2 + H 2 S<br />

(b) Na 2 S + 2HCl 2NaCl + H 2 S<br />

(c) 2AlCl 3 + 3Na 2 S + 6H 2 O 2Al(OH) 3 + 3H 2 S + 6NaCl<br />

(d) KHSO 4 + KHS K 2 SO 4 + H 2 S<br />

(e) BaS + H 2 SO 4 (loãng) BaSO 4 + H 2 S<br />

(A) 1. (B) 3. (C) 2. (D) 4.<br />

2-<br />

+ 2H + H 2 S là<br />

Z<br />

(1) Ba(OH) 2 + (NH 4 ) 2 SO 4 BaSO 4 + 2NH 3 + 2H 2 O.<br />

(2) Ba(NO 3 ) 2 + Na 2 SO 4 BaSO 4 + 2NaNO 3 .<br />

(3) Ba(NO 3 ) 2 + H 2 SO 4 BaSO 4 + 2HNO 3 .<br />

(4) BaCl 2 + CuSO 4 BaSO 4 + CuCl 2 .<br />

(5) BaCO 3 + H 2 SO 4 BaSO 4 + H 2 O + CO 2 .<br />

(6) Ba(OH) 2 + H 2 SO 4 BaSO 4 + 2H 2 O.<br />

(A) 1, 5, 6. (B) 2, 3, 4.<br />

(C) 3, 5, 6. (D) 1, 2, 4.<br />

8<br />

120

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