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) with water?
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washing soda formula- Na2Co3.10H2O
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Ans. i. The substance whose solution is water is used for white washing is calcium oxide. Its formula is CaO.
ii. CaO(s) + H2O(l) Ca(OH)2(aq)
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