Home
Class 11
CHEMISTRY
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.
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DINESH PUBLICATION|Exercise Reduction to Free Metal|18 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DINESH PUBLICATION|Exercise Miscellaneous|9 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DINESH PUBLICATION|Exercise Concentration|14 Videos

  • EQUILIBRIUM

    DINESH PUBLICATION|Exercise Matrix - Match Type Questions|2 Videos

  • HYDROGEN

    DINESH PUBLICATION|Exercise LONG|1 Videos

Similar Questions

Explore conceptually related problems

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

The process of heating of ore in the absence of air.

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

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