Question

Name the metal and the acid required to prepare sulphur dioxide in the laboratory.

Answer 1

Combination of the metal and the acid, formed in the laboratory as Sulphur Dioxide consists of metallic sulphite with the dilute acid.

This is obtained with the release of sulphide ores.

That is a colourless gas, very soluble in water.

Sulphur dioxide is used as a preservative for a lot of food products and a disinfectant.

It is always advisable to use the composition, under precautions.