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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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3 08):<br />

(1) Ca(OH) 2 + Cl 2 CaOCl 2 + H 2 O<br />

(2) 2H 2 S + SO 2 3S + 2H 2 O<br />

(3) 2NO 2 + 2NaOH NaNO 2 + NaNO 3 + H 2 O<br />

(4) 4KClO 3 KCl + 3KClO 4<br />

(5) O 3 O 2 + O<br />

t<br />

o<br />

A) B) C) D) 4.<br />

4<br />

(1) 4HCl + MnO 2 2 + Cl 2 + 2H 2 O.<br />

2 + H 2 .<br />

(3) 14HCl + K 2 Cr 2 O 7 3 + 3Cl 2 + 7H 2 O.<br />

3 + 3H 2 .<br />

(5) 16HCl + 2KMnO 4 2 + 5Cl 2 + 8H 2 O.<br />

A) B) C) D) 3.<br />

5<br />

(a) 4HCl + PbO 2 2 + Cl 2 + 2H 2 O.<br />

(b) HCl + NH 4 HCO 3 4 Cl + CO 2 + H 2 O.<br />

(c) 2HCl + 2HNO 3 2 + Cl 2 + 2H 2 O.<br />

2 + H 2 .<br />

A) B) C) D) 4.<br />

3<br />

56

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