Give an example of combination reaction.

(a) Give an example for a combination reaction which is exothermic. (b) Identify the oxidising agent and reducing agent in the following reaction. H_(2)S + Cl_(2) to 2HCl + S (c) Name the phenomenon due to which the taste and smell of oily food changes when kept for a long time in open. Suggest one method to prevent it.

Give an example of displacement reaction.

Give an example of Aluminothermic reaction.

Give one example of a chemical reaction involving homogeneous catalyst.

Give one example of zero order reaction.

What is meant by 'disproportionation'? Give an example of disproportionation reaction in aqueous solution.

What is meant by 'disproportionation'? Give one example of disproportionation reaction in aqueous solution.

Give the example of Exothermic reaction

Give reasons why? Electrolysis is an example of a redox reaction.

Give an example of a reaction which is combination as well as exothermic.