Question

7.(i)Define corrosion.
(ii)What is corrosion of iron called?
(iii) How will you recognize the corrosion of silver?
(iv)Why corrosion of iron is a serious problem?
(v)How can we prevent corrosion of iron?​

Answer 1

Explanation:

when iron surface is attacked by the surface of acid, water, moisture and then it is said to be corrode thia process is corrosion

2) fe2o3 ferrous oxide

3)s2s silver sulphide which turns black colour

4)because it starts to corrode iron and it bece powdery consistency

5)by painting,alloying,galvanisation, electroplating etc...