Question

3. Arrange the following metals in
decreasing order of activity:-
Au, Al, Ag, Ca, Cu, Mg, Fe, Na, Zn and Ca.
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Answer 1

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Answer 2

Answer:

There is the order of reactivity of metals and in order to remember this order, one has to recite this order in any possible simple form. The order of reactivity of metals is as follows, Potassium > Sodium > Lithium > Calcium > Magnesium > Aluminium > Zinc > Iron > Copper > Silver > Gold.

Explanation:

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