B.P.S.C. TRE-3 July, 2024
Which of the following methods is suitable to prevent an iron frying pan from rusting?
aApplying a zinc coating✓ Correct
bApplying paint
cApplying grease
dMore than one of the above
eNone of the above
Explanation
To prevent an iron frying pan from rusting, a zinc coating is applied. This process is called galvanisation. Zinc is more reactive than iron; therefore, it protects iron from rusting.
general-science