Ferrous sulphate decomposes with the evolution of a gas having a characteristic odour of burning sulphur. Write the chemical reaction involved and identify the type of reaction.

Write the balanced chemical equation for the following and identify the type of reaction in each case.

Write the balanced chemical equation for the following and identify the type of reaction in each case.

Give the laboratory preparation of sulphur dioxide and write the chemical reaction involved .

Give the chemical reactions involved in the formation of sodium lauryl sulphate.

What is observed when a solution of sodium sulphate is added to a solution of barium chloride taken in a test tube? Write equation for the chemical reaction involved and name the type of reaction in this case.