6. The decreasing order of reactivity of the metals in the above reactions is
(A) Zn>Fe>Cu
(B) Fe>Cu>Zn
(C) Zn>Cu>Fe
(D) Cu>Fe>Zn
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Answer:
option ( a)
Explanation:
The order of reactivity of metals is as follows, Potassium > Sodium > Lithium > Calcium > Magnesium > Aluminium > Zinc > Iron > Copper > Silver > Gold.
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