1.

Complete and balance the following chemical equations: (i) NaOH(aq)+Zn(s) to (ii) CaCO_(3)(s)+H_(2)O(l)+CO_(2)(g) to (iii) HCl(aq)+H_(2)O(l) to

Answer»

Solution : (i) `2NAOH(aq)+Zn(s) to Na_(2)ZnO_(2)(aq)+H_(2)(g)`
(II) `CaCO_(3)(s)+H_(2)O(l)+CO_(2)(g) toCa(HCO_(3))_(2)(aq)`
(iii) `HCl(aq)+H_(2)O(l) to H_(3)O^(+)(aq)+Cl^(-)(aq)`


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