(a) Arrange the following metals in the increasing order of their reactivities:
Copper, Zinc, Aluminium and Iron
(b) List two observations you would record in your notebook 30 minutes after adding iron fillings to copper sulphate solution.
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Answered by
3
Answer:
aluminium→zinc→iron →copper.. among them aluminium is most reactive and copper in least reactive in these given elements... copper get deposited on iron and the colour of copper sulphate solution gets faded
Answered by
5
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.
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