Question

(a) Why is an iron grill painted frequently?
(b) Explain why, through aluminium is more reactive than iron, yet there is less corrosion of aluminium when both are exposed to air.

Answer 1

Answer:

A.

an iron grill painted frequently to prevent for rusting. iron can rust up the metal due to which iron grill painted frequently to prevent its contact from oxygen present it the air. Explanation: ... These metals readily react with atmospheric oxygen and moisture to form metal oxid

Explanation:

B. Aluminium is more reactive than iron yet there is less corrosion of aluminium when both are exposed to air.Aluminium developes a protective(something that protects)layer of aluminium by slowly reacting(to act upon each other)with oxygen present in air.