Question

The colour of the copper sulphate solution changes when an iron nail is kept immersed in it. why?

1 point

Exothermic reaction

Displacement reaction

Double displacement reaction

All the above

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Answer 1

Answer:

Due to displacement reaction.

Explanation:

Hope it helps you.

Answer 2

Answer:

Displacement reaction...

As cu is less reactive than fe... So fe displaces the cu from copper sulphate..

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