Write balanced equation fro the following reactions: 
Potassium hydrogen carbonate and dilute Sulphuric acid.

Write balanced equations for the following reactions: 
Sodium nitrate and concentrated Sulphuric acid.

Write balanced equations for the following reactions:
Copper oxide and dilute Hydrochloric acid.

Write balanced equations for the following reactions: 
Manganese (IV) oxide and concentrated Hydrochloric acid.

Write balanced equations for the following reactions: 
Sulphur and hot concentrated Nitric acid.