Give reason - Why : Gold is found in the free state in nature.

Give reason - Why : Galvanised iron particles are protected from rusting even if the zinc coating is broken.

Name three metals which occur in the native state in nature.

Give reason - Why : School bells are made of metals.

Alkali metals are not found in free state why?

Give reasons why copper is used to make hot water tank and not steel (an alloy of iron).

Why do some metals occurs in the native state?

Give reasons why carbon is tetravalent.