Question

When do whitewashing to walls,Why it became shiny after 2to3 days?​

Answer 1

Answer:

m soffit skh Griffith Dhaka

Answer 2

Explanation:

In whitewash Calcium hydroxide is present. 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.

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