Question

1. Give reasons: i) Mgcl2 is soluble in water but insoluble in acetone,while methene is insoluble but soluble in acetone. ii) Iron displaces copper from a solution of a copper salt. the reaction is de

Answer 1

mgcl2 is soluble  in water because it is highly ionisible and s dissolving agent while acetone is a chemical reagent by which instead on dissolving it gives a explosive sound or changes colour.