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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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U 2SO 4 Br 2 + SO 2 + H 2 O<br />

(A) 6. (B) 7. (C) 10. (D) 12.<br />

V 4 KCl + MnCl 2 + Cl 2 + H 2 O<br />

(A) 8. (B) 16. (C) 18. (D) 22.<br />

W Cho dãy các axit: HClO, HClO 2 , HClO 3 , HClO 4<br />

dãy trên là<br />

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

X 2, HClO 3 , HClO 4<br />

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

Y<br />

(A) KCl, KClO 3 , H 2 O. (B) NaCl, NaClO, H 2 O.<br />

(C) CaCl 2 , Ca(OCl) 2 , H 2 O. (D) NaCl, NaClO 3 , H 2 O.<br />

Z<br />

(A) CaCl 2 . (B) CaOCl 2 . (C) Ca(OCl) 2 . (D) CaClO 2 .<br />

a NaClO không<br />

(A) HCl. (B) CO 2 + H 2 O. (C) NaOH. (D) H 2 SO 4 .<br />

b<br />

không<br />

(A) NaClO + CO 2 + H 2 O NaHCO 3 + HClO.<br />

(B) 2CaOCl 2 + CO 2 + H 2 O CaCO 3 + CaCl 2 + 2HClO.<br />

(C) CaOCl 2 + 2HCl CaCl 2 + Cl 2 + H 2 O.<br />

(D) KClO 3 t o<br />

KClO + O 2<br />

c<br />

diêm là<br />

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

d<br />

o<br />

KOH<br />

t<br />

2 o<br />

t<br />

2<br />

Cl X O .<br />

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

7<br />

130

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