Question

Arrange iron magnesium zinc copper in in increasing order of reactivity series

Answer 1

Magnesium < Zinc < Iron < Copper.

Also... reactivity series is given in our class 10th NCERT.

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Answer 2

Answer:

Increasing order of metal of their reactivity.

Copper < iron < zinc < magnesium

Two observations are as :

1. Color of the solution changes from blue to green

2. Reddish brown deposits on iron filings.