. A solution of a substance X is used for white washing.
(a)Name the substance ‘X’ and write its formula.
(b)Write the reaction of the substance ‘X’ named in (a) above with water.
Best Answer
(a) The substance ‘X’ is calcium oxide and its formula is CaO.
(b)CaO (s) + H2O (l) → Ca(OH)2 (aq)
(X) Water ( Slaked lime)
Calcium Oxide Or
Calcium hydroxide
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