theo mk thì 9.25

hello

What is your favourite room?my favourite room is a dining room. It has a big table and four chair. the wall is my favourite color, that is yellow. In the wall, there is the clock,

rain

tick nhe

9.8

0

937

=95136

Phương trình hóa học nào không xảy ra? 

A. Cu + AgNO₃

B. Ag + HCl

C. Fe + Cu(NO₃)₂

D. AgNO₃ + Fe(NO₃)₂