Question

Trl giúp zới a cj oiii 😢

Answer 1

câu5

CuO ,Cu(oH)2,Na2CO3,AgNO3

=>C

Answer 2

C

Answer 3

C

Answer 4

c?

Answer 5

C?

Answer 6

C

Answer 7

\(5-C\\ CuO+2HCl\rightarrow CuCl_2+H_2O\\ Cu\left(OH\right)_2+2HCl\rightarrow CuCl_2+2H_2O\\ Na_2CO_3+2HCl\rightarrow2NaCl+CO_2+H_2O\\ AgNO_3+HCl\rightarrow AgCl+HNO_3\)

Answer 8

C

Answer 9

C