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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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B CO 2<br />

A) CO 2 + H 2 O H 2 CO 3 .<br />

B) CO 2 + 2Mg t o<br />

C + 2MgO.<br />

C) CO 2 + NaOH NaHCO 3 .<br />

D) CaCO 3 + CO 2 + H 2 O Ca(HCO 3 ) 2 .<br />

C<br />

(a) CO 2 + Ca(OH) 2 Ca(HCO 3 ) 2 .<br />

(b) CO 2 + Ca(OH) 2 CaCO 3 + H 2 O.<br />

D<br />

O (d−)<br />

2<br />

Cacbon X Y X Ca(OH) 2 (d−)<br />

o<br />

o<br />

o<br />

CaCO 3<br />

t<br />

C<br />

t<br />

CuO<br />

t<br />

A) CO, CO 2 . B) CO 2 , Ca(HCO 3 ) 2 .<br />

C) C, CO 2 . D) CO 2 , CO.<br />

E<br />

A) Na 2 CO 3 . B) NaHCO 3 .<br />

C) K 2 CO 3 . D) H 2 CO 3 .<br />

F<br />

(a) KHCO 3 + KOH<br />

(b) KHCO 3 + HCl<br />

(c) Na 2 CO 3 + CO 2 + H 2 O<br />

(d) CaCO 3 + CO 2 + H 2 O<br />

G Na 2 CO 3 không<br />

A) HCl. B) HNO 3 . C) NaOH. D) NaHSO 4 .<br />

H<br />

không<br />

A) NaHCO 3 . B) Na 2 CO 3 .<br />

C) CaCO 3 . D) (NH 4 ) 2 CO 3 .<br />

I<br />

(a) NH 4 HCO 3<br />

(b) (NH 4 ) 2 CO 3<br />

o<br />

t<br />

o<br />

t<br />

5<br />

252

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