Question

Which substance we use for white washing the walls CaO or Ca(OH) 2

Answer 1

Answer:

CaO (Calcium Oxide)

Explanation:

Calcium oxide is used for white washing the walls. It is also known as lime as well as quicklime.

Answer 2

Answer:

Slaked lime I.e Ca(OH)2

Explanation:

A solution of slaked lime is used for whitewashing walls