Balancing equations

1 Magnesium oxide + Nitric acid

2 Calcium hydroxide + Sulphuric acid

3 Sodium + Hydrochloric acid

4 Strontium Carbonate + Nitric acid

5 Aluminium + Phosphoric acid

6 Gallium hydroxide + Sulphuric acid

7 Aluminium carbonate + Nitric acid

8 Gallium carbonate + sulphuric acid