KCET 2024 Chemistry Solved Paper

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Question : 9 of 60

Marks: +1, -0

Select the correct statement:

Roasting involves heating the ore in the absence of air.
Calcination involves heating the ore above its melting point.
Smelting involves heating the ore with suitable reducing agent and flux below its melting point.
Calcination of calcium carbonate is endothermic.

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