Chemistry
Name the following:
The product formed on oxidation of phosphorus.
The acid formed when the above product of oxidation of phosphorus, reacts with water.
The chemical name of rust.
The pollutant which combines with water vapour to give sulphuric acid – a product of acid rain.
The gas required for both combustion and rusting.
Air
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Answer
Phosphorus pentoxide [P2O5]
Phosphoric acid [H3PO4]
Hydrated iron (III) oxide [Fe2O3.xH2O ]
Sulphur trioxide [SO3]
Oxygen [O2]
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