Question

corrugated iron sheets are coated with a greyish substance to prevent them from rusting.
a)Name the substance.
b)Name the process.
c)Make a scratch on such a sheet , observe it after a few weeks .what do you expect?​

Answer 1

Answer:

a) Zinc

b) Galvanisation

    Iron when comes in contact with moist air it reacts with it to form a brown                     powder rust. Rust damages the iron. Thus, to prevent the rusting of the iron they are coated with zinc.