1.

Give reasons for the following.(a) Aluminiumfoils are used to wrap food items.(b) Immersionrods for heating liquids are made up of metallic substances.(c) Coppercannot displace zinc from its salt solution.(d) Sodiumand potassium are stored in kerosene.

Answer»


Give reasons for the following.


(a) Aluminium
foils are used to wrap food items.


(b) Immersion
rods for heating liquids are made up of metallic substances.


(c) Copper
cannot displace zinc from its salt solution.


(d) Sodium
and potassium are stored in kerosene.



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