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The process in which the ore is heated i...

The process in which the ore is heated in excess of air below its metling point is known as

A

Roasting

B

Calcination

C

Reduction

D

Distillation.

Text Solution

Verified by Experts

The correct Answer is:
A
In Roasting ore is heated in free supply of air while in calcination the ore is heated in a limited supply of air in both cases below its metling point.
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Knowledge Check

  • The process of heating ore in the absence of air and below its melting point is called :

    A
    Roasting
    B
    Calcination
    C
    Smelting
    D
    Sublimation

  • Heating an ore in the absence of air below its melting point is called

    A
    Leaching
    B
    Roasting
    C
    Smelting
    D
    Calcination

  • (A) Roasting is a process in which the ore is heate in presence of air (R ) Concentration of sulphide ore is done by calcinaiton

    A
    If both (A) and (R ) are correct and (R ) is the correct explantion of (A )
    B
    If both (A) and (R ) are correct and (R ) is not the correct explantion of (A )
    C
    If (A) is correct but (R ) is incorrect
    D
    If (A) is incorrect but (R ) is correct

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    In order to bring initial chemical change in the ore, the process of heatingof ore below its melting point in the presence of excess of air is known as ___________.

    The process of heating the ore strongly in excess of air so that the volatile impurities are removed and the ore is changed to oxide is known as

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