Question

A solution of a substance X is used for whitewashing
(1) Name the substance X and write its formula.
(11) Write the reaction of the substance X named in (1) above with
water.​

Answer 1

Answer:

1) Calcium oxide. It's formula is CaO

2) CaO + H2O = Ca(OH)2

Explanation:

Hope it's helpful

Answer 2

Answer:

1) Calcium Oxide

2)CaO + H2O=Ca(OH)2

hope it helps you ☺️