Question

how zinc protect iron from rusting​

Answer 1

Answer:

galvanizing is the process used to prevent zinc from corrosion.......

Answer 2

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.