Chemistry · Metallurgy
Which of the following statements about calcination is correct?
- 1It helps in converting sulphide ores into oxides.
- 2It involves heating of ores in the presence of excess air.
- 3It helps in converting carbonate ores into oxides.✓
- 4It involves the electrolysis of molten metal chlorides.
Correct answer
It helps in converting carbonate ores into oxides.
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