Question

When iron nail is placed in the test tube containing copper sulphate solution, after few hours brown deposits are formed on iron nail. What could be the reason?
a) Zinc gets deposited on iron nail
b) Iron gets deposited on copper nail
c) Magnesium gets deposited on iron nail
d) Copper gets deposited on iron nail.

Answer 1

Answer:

à is the right answer

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Answer 2

Answer :



The correct answer is b




Explanation:

B is the correct answer as copper is a less reactive than iron thus copper cannot displace iron
Iron displaces the solution and gets settled down


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