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.
​

Answer 1

Answer: The chemical substance X used for whitewashing is Calcium oxide also known as quicklime or burnt lime or lime. Calcium oxide is an alkaline earth flux with the chemical formula CaO.

Explanation:

(i) The substance X is calcium oxide or CaO.

(ii) CaO (s) + H2O (l) → Ca(OH)2(aq).

HOPE YOU GOT YOUR ANSWER, ADD ME BRAINLIST.

Answer 2

Answer:

Ans. i. The substance whose solution is water is used for white washing is calcium oxide. Its formula is CaO.

ii. CaO(s) + H2O(l) Ca(OH)2(aq)