A solution of a substance X is used for whitewashing.
(i) Name the substance X and write its formula.
(ii) Write the reaction of the substance X named in (i) above with
water.
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(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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