Question

21) Balance the chemical equations :-
a) Na + HCl NaCl + H2
b) Mg + HCl- MgCl + H
c) Na + O2
Na o​

Answer 1

Answers

a) 2Na + 2HCL ------→ 2NaCl + H2

b) 2Mg + 2HCL ------→ 2MgCl + H

c) Na + O2 -------→ NaO

(already balanced )

Answer 2

Answer:

a) 2Na+2Hcl- 2Nacl+H2

b)2Mg+2Hcl-2Mgcl+H2

c)2Na+O2-2Nao