Question

A solution of a 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.
(iii). Write the balanced equation for the following chemical reaction: ​

Answer 1

WRITTEN by FFdevansh

(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.

Ca0(s) + H2O(l) → Ca(OH)2(aq)

(Quick Lime) (Water) (Slaked Lime)