Question

Решите пожайлуста задачу 7 ​

Answer 1

...........................

Answer 2

1) K3N+3H2O=3KOH+NH3
2)3Mg+2P=Mg3P2
3)Cr2O3+3C=2Cr+3CO
4)Mg(OH)2+2HCl=MgCl2+2H2O
5)CuO+H2=Cu+H2O