A substance ‘X’ is used in white-washing and is obtained by heating limestone in the absence of air. Identify ‘X’.
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7
Answer:
The substance X is calcium oxide (CaO) ,which is produced by the decomposition reaction of limestone(by heating limestone in the absence of air)
this calcium oxide is used is dissolved in water to form calcium hydroxide which is applied on the walls.
Answered by
17
Answer:
the substance x is calcium oxide(CaO)
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