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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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1<br />

2<br />

2s 2 2p 6 3s 2 3p 1 .<br />

o<br />

12<br />

+ Phi kim<br />

+ Axit<br />

4Al +3O 2 2Al 2 O 3<br />

2Al + 3Cl 2 2AlCl 3<br />

2SO 4 loãng 2<br />

2Al + 6HCl 2AlCl 3 + 3H 2<br />

3, H 2 SO 4<br />

Al + 4HNO 3 Al(NO 3) 3 + NO + 2H 2O<br />

2Al + 6H 2 SO 4<br />

o<br />

Al 2 (SO 4 ) 3 + 3SO 2 + 6H 2 O<br />

Nhôm<br />

2O 3<br />

3, H 2SO 4<br />

+ H 2 O<br />

2Al + Fe 2 O 3<br />

o<br />

t<br />

2Fe + Al 2 O 3<br />

2.<br />

2Al + 6H 2O 2Al(OH) 3 + 3H 2<br />

Al(OH) 3<br />

4] - )+ H 2 .<br />

13<br />

2Al + 2NaOH + 6H 2O 2Na[Al(OH) 4] + 3H 2<br />

2O 3 .H 2 O<br />

4Al 2 O 3 4Al + 3O 2<br />

2O 3 3 AlF 6 ).<br />

1<br />

308

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