Question

1) S + O2 -- SO2

2) H2 + i2 --Hi

3) Al + O2 -- Al2O3

4)CaCO3 -- CaO + CO2

a) Tabulate the number of reactant atoms and that of product atoms in the chemical equations given above

b) Balance the equations which are unbalanced ​

Answer 1

Explanation:

Hope, it will help you in understanding.