A solution of substance X is used for white washing.

A solution of substance X is used for white washing.

(i) Name the substance X and write its formula.

(ii) Write the reaction of the substance X named in

(i) above with water.

(i) Substance X is Calcium Oxide whose solution we use in water which is used for white washing. The formula of substance X is CaO.

(ii) Calcium oxide reacts vigorously with water to produce slaked lime (calcium hydroxide) releasing a large amount of heat.

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