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Which of the following process does not ...

Which of the following process does not involve heating?

A

Calcination

B

Smelting

C

Roasting

D

Levigation

Text Solution

Verified by Experts

The correct Answer is:
D
Leviagation is the process of separating the lighter gangue particles from the heavier ore particles by washing in current of water. This is also called gravity separation or hydraulic washing and is generally used for oxides ores and carbonate ores. In other processes, calcination, smelting and roasting, there is heating.
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