1.

Complete the following : (i) `CaSO_(4). 2H_(2)O overset("heat")(to)` (ii) `MgO + C + CI_(2) overset("heat")(to)` (iii) `Mg(NO_(3))_(2) overset("Heat")(to)` (iv) `Mg + NO overset("Heat")(to)` `CaC_(2) + N_(2) to` (vi) `Mg_(3)N_(2) + H_(2) O to`

Answer» (i) `CaSO_(4).2H_(2)O overset("Heat")(to) CaSO_(4). 1//2 H_(2)O + 3//2 H_(2)O`
(ii) `MgO + C + CI_(2) overset("Heat")(to) MgCI_(2) + CO`
(iii) `2Mg(NO_(3))_(2) overset("Heat")(to) 2MgO + 4NO_(2) + O_(2)`
(iv) `5Mg + 2NO overset("Heat")(to) 2MgO + Mg_(3)N_(2)`
(v) `CaC_(2) + N_(2) to CaCN_(2) + C`
(vi) `Mg_(3)N_(2) + 6H_(2)O to 3Mg (OH)_(2) + 2NH_(3)`


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