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A solution of a substance 'X' is used fo...

A solution of a substance 'X' is used for whitewashing.
(i) Name the substance 'X' and write its formula.
(ii) Write the substance of the substance 'x' named in (i) above with water.

Text Solution

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(i) The substance .X. is calcium oxide its chemical formula is CaO.
(ii) Calcium oxide reacts vigorously with water to form calcium hydroxide (slaked lime)
`CaO(s)+H_(2)O(I) to Ca(OH)_(2)(aq)`
Calcium oxide (quick lime)+Water `to` Calcium hydroxide (slaked line)
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