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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1. The substance x is Calcium oxide Cao
2. CaO + H2O =Ca(OH)2
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Answer:
(i) Substance X is Calcium Oxide whose solution we use in water which is used for white washing. The formula of substance X is Cao. (ii) Calcium oxide reacts vigorously with water to produce slaked lime (calcium hydroxide) releasing a large amount of heat
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