Question

explain five methods which are used to prevent the rusting of an iron article ​

Answer 1

Answer:

Galvanising is a method of rust prevention. The iron or steel object is coated in a thin layer of zinc. This stops oxygen and water reaching the metal underneath - but the zinc also acts as a sacrificial metal . Zinc is more reactive than iron, so it oxidises in preference to the iron object.

Answer 2

Answer:

The rusting of iron can be prevented by

➡ PAINTING

➡OILING

➡ GREASING

➡ VARNISHING ITS SURFACE

➡ GALVANIZATION