Multiple choice

Which of the following is the process in which a sulphide ore is heated strongly in the presence of air to convert it into metal oxide?

  1. Calcination

  2. Roasting

  3. Electrolysis

  4. None of these

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

Roasting is the process of heating a sulfide ore in the presence of excess air to convert it into a metal oxide.