Question

30. Which among the following metals is used in alloying of iron to prevent corrosion?

• A. zinc
• B. tin
• C. aluminium
• D. chromium

Answer 1

The correct option is A

zinc

Explanation:

• Galvanization is the process of alloying Iron $\left(\mathrm{Fe}\right)$ with Zinc $\left(\mathrm{Zn}\right)$ metal to prevent rusting.
• In this method, Iron sheets are dipped in molten Zinc and passed through heavy rollers. After that, Iron sheets get coated with a layer of Zinc. Iron coated with Zinc is called galvanized iron.

Hence, option (A) is the correct answer. Zinc metal is used in alloying iron to prevent corrosion.