pls tell the right answer only , Q-A substance ‘X’ is used in white-washing and is obtained by heating limestone in the absence of air. Identify ‘X’. (a) CaOCl2 (b) Ca (OH)2 (c) CaO (d) CaCO3
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Answer:
d
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Answer:
answer is CaO as it's given in reaction when caco3 is heated and it's used in white washing because it takes out the CO2 in air and turns to milky white
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