1.

State Hardy schulze rule.

Answer» Greater the valency of the action ion of the electrolyste, greater will be its precipitating action.
`Al^(3+)gtMg^(2+)Na^(o+)` for negatively charged sols
`PO_(4)^(3-)gtCl^(ɵ)` for positively charged sols Greater the valency of the action ion of the electrolyste, greater will be its precipitating action.
`Al^(3+)gtMg^(2+)Na^(o+)` for negatively charged sols
`PO_(4)^(3-)gtCl^(ɵ)` for positively charged sols


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