BÀI KIỂM TRA
Họ và tên:................................................................................................
Câu1: Cân bằng các phản ứng oxi hoá khử sau theo phương pháp đã học
1.P+H
2
SO
4
--->H
3
PO
4
+SO
2
+H
2
O
2.KMnO
4
+Na
2
SO
3
+KOH--->K
2
MnO
4
+Na
2
SO
4
+H

2
O--->H
3
AsO
4
+H
2
SO
4
+NO
5.K
2
Cr
2
O
7
+FeCl
2
+HCl--->CrCl
3
+Cl
2
+FeCl
3
+KCl+H
2
O
6.H
2
SO

+NH
4
NO
3
+H
2
O
10.KNO
3
+Al+KOH+H
2
O--->NH
3
+KAlO
2
Câu2: Một kim loại M tác dụng với dung dịch HNO
3
loãng thu được M(NO
3
)
3
, H
2
O và hỗn hợp khí E chứa N
2

và N
2
O. Khi hoà tan hoàn toàn 2,16g kim loại M trong HNO
3

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