Formula for Oxygen

Carbon dioxide

Nitrogen

Ammonia

Sodium hydrogen carbonate

Sulphuric acid

Hydrochloric acid

Calcium oxide

Potassium chloride

Sodium hydroxide

Potassium sulphate

Ammonium sulphate

Magnesium chloride

Copper(II) sulphate

Water

Carbon monoxide

Hydrogen

Sulphur dioxide

Sodium carbonate

Nitric acid

Calcium carbonate

Sodium chloride

Copper oxide

Potassium hydroxide

Sodium sulphate

Calcium chloride

Magnesium sulphate

Methane