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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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9<br />

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

2– 4 . (B) H 2 SO 4 2H + + HSO 4– .<br />

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

2– 4 . (D) H 2 SO 4 2H + + SO<br />

2– 4 .<br />

A<br />

(A) NaOH Na + + O 2– . (B) KOH Na + + OH – .<br />

(C) Ca(OH) 2 Ca 2+ + OH – . (D) Ca(OH) 2 Ca 2+ + 2OH – .<br />

B<br />

không<br />

(A) NaCl Na + + Cl – . (B) CaSO 4 Ca 2+ + SO<br />

2– 4 .<br />

(C) Na 2 SO 4 2Na + + SO<br />

2– 4 . (D) CaCl 2 Ca 2+ + 2Cl – .<br />

C<br />

(A) NaOH Na + + Cl – . (B) Na 2 SO 4 2Na + + SO<br />

2– 4 .<br />

(C) BaSO 4 Ba 2+ + SO<br />

2– 4 . (D) NaCl Na + + Cl – .<br />

D<br />

(A<br />

(B<br />

(C<br />

(D<br />

là<br />

E<br />

là<br />

(A) 0 < < 1. (B) 0 1.<br />

(C) 0 < < 100. (D) 0 100.<br />

F 3<br />

CH 3<br />

(A (B<br />

(C (D<br />

G không<br />

axit?<br />

(A) HCl. (B) HNO 3 . (C) CH 4 . (D) H 2 SO 4 .<br />

H<br />

(A) NaOH. (B) Ca(OH) 2 .<br />

(C) C 6 H 5 OH.<br />

(D) KOH.<br />

4<br />

97

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