Define roasting.

Heating of sulphide ores in the presence of excess air to convert them into oxides

Heating of carbonate ores in the limited supply of air to convert them into oxides

Heating of oxides of metals to turn them into metal

Heating of carbonate ores in the limited supply of air to convert them into sulphide

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Ores found in the form of sulphide and carbonates are first converted to their oxides by the process of roasting and calcination. Heating of sulphide ores in the presence of excess air to convert them into oxides is known as roasting.

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Question Text	Define roasting.
Answer Type	Text solution:1
Upvotes	150

Define roasting.

Text solutionVerified

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