Question

"More reactive elements displaces less reactive elements"prove this with an activity.

Answer 1

hi friends
see this attachment..

Answer 2

Hello , Here is your answer .

High Reactive elements like Potassium, Magnesium etc. are such elements which have high coming capacity to form compounds .

Ex - Mg(s) + CuSO4(aq) = MgSO4(aq) + Cu(s) .

Here, The Magnesium have high Valency or Reactivity , due to which it displaces Copper ( from Copper Sulphate ) easily to form a Compound ( Magnesium Sulphate ).

Note : Valency of an Elements come from Valency Electrons .
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For more information, See the Picture . It may be a correct answer .