Answers

2015-06-04T14:11:04+05:30
(i) The name of substance "X" is Calcium oxide ( CaO ).
(ii) CaO +  H_{2} O = Ca (OH)_{2}
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2015-06-04T14:13:13+05:30
X=CaO( CALCIUM OXIDE)
AND THE REACTION IS
CaO +H2O = Ca(OH2)
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