JEE Main Chemistry question

Chemistry General Principles and Processes of Isolation of Elements (Metallurgy)JEE Main

Not in JEE Main or NEET syllabus

Calcination and roasting are:

(A)Different names of the same operation
(B)Used for the purification of metals
(C)Usually carried out in reverberatory furnaceCorrect
(D)Employed for the concentration of the ore

Answer: (C)

Solution

Both calcination and roasting are thermal pre-treatment steps typically carried out in a reverberatory furnace, where hot gases (not flame) act on the charge. They are distinct operations (calcination for carbonate/hydrated ores,

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Question ID VK-145509