Question

Why is a solution of slaked lime used for whitewashing walls?

Answer 1

Explanation:

So,

Slaked lime or Calcium Hydroxide Ca(OH)2 reacts with atmospheric Carbon dioxide CO2 to give rise Calcium Carbonate CaCO3 which is generally shiny.

Chemical Reaction -

Ca(OH)2 + CO2 - - > CaCO3 +H2O

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