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  • G.K. (General Science) - 23
  • Which of the following is the process in which a sulphide...
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.

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