Identify the acidic oxides responsible for acid rain. State how their presence results in formation of acid rain. Give a reason why acid rain damages heritage buildings.

In the laboratory preparation of oxygen from hydrogen peroxide – answer the following:

(a) Draw a neat and labelled diagram for the method used in above preparation.

(b) Name the catalyst used in the preparation and state its function.

(c) State the word equation for the reaction involving the above preparation of oxygen.

(d) State the method of collection of the oxygen gas giving reasons.

Distinguish between Combustion and Respiration with suitable word equations only.

Distinguish between Combustion and Rusting with suitable word equations only.