Question

Na + Cl 2 → NaCl
Ca + O 2 → CaO
Al + Cl 2 → AlCl 3
Zn + HCl →ZnCl 2 + H 2
HgO → Hg + O 2

Answer 1

Ответ:

2Na+Cl2= 2NaCl

2Ca+O2=2CaO

2Al+Cl2=2AlCl3

Zn+2HCl=ZnCl2+H2

2HgO=2Hg+O2