Question

Zn(s) + CaCl2(aq) =ZnCl2(aq) + Ca(s) HOW

Answer 1

Calcium Chloride is present in aqueous sol. and on dissolving znic into it znic ions are formed by losing 2 electron by each atom ,which displace Calcium ions from CaCl2 and and Ca ions gain 2 electrons loses by Zn and it get converted into solid Calcium ,

and zinc chloride formed .