What would happen our paint our walls quickly after whitewashing after the formation of calcium oxide and before the formation of calcium bicarbonate?
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Answer:
It would be coloured.
Explanation:
Calcium Oxide is used for white washing because due to the formation of Calcium bicarbonate (Calcium Carbonate + Carbon dioxide = Calcium bicarbonate). If we appy paint before the formation of Calcium bicarbonate, it reacts with the Carbon dioxide present in the atmosphere, this makes the wall colour be a milky white colour.
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