1.

Complete the missing components/variables given as x and y in the following reactions (a) `Pb(NO_(3))_(2) (aq) + 2KI(aq) to PbI_(2)(x) + 2KNO_(3)(y)` (b) `Cu(s) + 2AgNO_(3)(aq) to Cu(NO_(3))_(2)(aq) + x(s)` (c) `Zn(s) + H_(2)SO_(4)(aq) to ZnSO_(4)(x) + H_(2)(y)` (d) `CaCO_(3)(s) overset(x)to CaO(s) + CO_(2)(g)`

Answer» (a) x = yellow precipitate, y = (aq) (b) x = 2Ag(s) (c) x = (aq) , y = (g) (d) x = heat.


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