. A solution of a substance X is used for whitewashing
i. Name the substance ‘X’ and write its formula
ii. Write the reaction of the substance ‘X’ named in (i) above with water
Best Answer
Ans: i. The substance ‘X’ which is used in whitewashing is quick lime or Calcium Oxide and its formula is CaO.
ii. CaO + H2O → Ca(OH)2
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