Multiple choice

Which of the following are added into molten iron in fixed amounts to make an alloy called stainless steel?

a. Copper b. Carbon c. Chromium d. Aluminium

  1. Only a and b

  2. Only a and c

  3. Only a and d

  4. Only b and c

  5. Only b and d

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option. Carbon and chromium are added into molten iron in fixed amounts to make an alloy called stainless steel.