Question

Calcium hydroxide reacts slowly with the carbon dioxide in air to form a thin layer of......... on the walls.​

Answer 1

Answer:

Calcium hydroxide reacts slowly with the carbon dioxide in air to form a thin layer of calcium carbonate on the walls. Calcium carbonate is formed after two to three days of white washing and gives a shiny finish to the walls.

Answer 2

Answer:

Calcium hydroxide reacts slowly with the carbon dioxide in air to form a thin layer of calcium carbonate on the walls.