Why the white washing gives shiny finish to the walls?
CBSE Class 10
Class 10 Science
2016-10-19 01:10:16 UTC
Slaked lime is prepared by adding water to quick lime.
A solution of slaked lime (Ca(OH)2) is used to white wash the walls.
Calcium hydroxide reacts with the carbon dioxide in air to form thin layer of calcium carbonate on the walls. It gives a shiny finish to the walls.