Question

Q8. What do you mean by corrosion of metals?​

Answer 1

Answer:

When some metals are exposed to moisture, acids etc., they tarnish due to the formations of respective metal oxide on their surface. This process is called “corrosion”.

Answer 2

Answer:

A significant proportion of material damage and subsequent component failure caused by corrosion can be eliminated by selecting the optimum material for a given application. The corrosiveness of a liquid on metals is mainly dependent on:

Oxygen, chloride and/or sulphide content.

Temperature.

pH - value.