What chemical compounds is used in white wash of walls? what happens when we mix it with water? what reaction takes place on the walls after thewhite wash?
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calcium oxide(cao) used in white wash of walls.when it reacts with water it forms calcium hydroxide.
Calcium hydroxide combinesslowly with carbon dioxide present in air to form a white layer of calcium carbonate on the wall.
Calcium hydroxide combinesslowly with carbon dioxide present in air to form a white layer of calcium carbonate on the wall.
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✨Element A is calcium (Ca). When it reacts with water, it forms calcium hydroxide. Thus, compound B is calcium hydroxide [Ca(OH)2], which is used in white washing.✨
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