During the extraction of metals, sulphide ores are heated at very high temperature in the presence of air to convert them into oxides. This process is called ___________ .
Subject: General Awareness | Topic: Science | Difficulty: MEDIUM
Options
- (A) Calcination
- (B) Elimination
- (C) Roasting
- (D) Sulphonation
Verified Answer
Option (C): Roasting
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