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Question
1. A solution of a substance ‘X’ is used for white washing.
(i) Name the substance ‘X’ and write its formula.
(ii) Write the reaction of the substance ‘X’ named in (i) above with
water
1. A solution of a substance ‘X’ is used for white washing.
(i) Name the substance ‘X’ and write its formula.
(ii) Write the reaction of the substance ‘X’ named in (i) above with
water
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Solution
(i) The substance ‘X’ is quick lime, CaO
(ii) The reaction of CaO with water:
CaO + H2O → Ca(OH)2
Quick lime Slaked lime
(i) The substance ‘X’ is quick lime, CaO
(ii) The reaction of CaO with water:
CaO + H2O → Ca(OH)2
Quick lime Slaked lime
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