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The removal of impurities from a crude m...

The removal of impurities from a crude metal is called :

A

Refining

B

Roasting

C

Calcination

D

Concentration

Text Solution

Verified by Experts

The correct Answer is:
D
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  • Heating pyrites to remove sulphur is called :

    A
    Smelting
    B
    Calcination
    C
    Liquation
    D
    Roasting
  • Heating pyrites to remove sulphur is called :

    A
    Smelting
    B
    Calcination
    C
    Liquation
    D
    Roasting
  • Heating pyrites to remove sulphur is called :

    A
    Smelting
    B
    Calcination
    C
    Liquation
    D
    Roasting
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