What happens when an iron nail is placed in copper sulphate for 20 minutes?
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iron nail become brownish in colour and the blue colour of copper sulphate solution fade.
In this reaction,iron has displaced or removed another element copper,from copper sulphate solution.This reaction is known as displacement reaction.
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In this reaction,iron has displaced or removed another element copper,from copper sulphate solution.This reaction is known as displacement reaction.
plz mark as brainlist
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