Question

4. How will you show that iron is more reactive than copper? Explain and write the chemical
reactions involved.
5. What is rusting? Why is it harmful? Write three ways to prevent rusting,​

Answer 1

4.yes iron is more reactive than Cooper

eg.CuSO4 ==>Fe2SO4

5.The formation of brownish colour layer on the iron is called rusting.Formula=Fe2O3

it is harmful for The iron

it can be prevented by

1.not to let the iron in the contact of water and oxygen

2.to colour it so it will not come in the contact of air