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.
Answers
Answered by
1
Answer:
calcium oxide or lime calcium oxide
Answered by
6
{i}The substance whose solution in water we use for white-washing is calcium oxide (lime, choona). So, the substance X is calcium oxide. Its formula is CaO.
{ii}The solution of the substance used for whitewashing is calcium oxide also called quicklime with chemical formula CaO. ... CaO (s) + H2O (l) → Ca(OH)2(aq).
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