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Assertion: Dressing of ore is an essenti...

Assertion: Dressing of ore is an essential step in metal extraction
Reason: Dressing of ore is done to improve the physical appearance of ore

A

If both Assertion & Reason are true and the Reason is the correct explanation of the Assertion

B

If both Assertion and reason are true but the Reason is not the correct explanation of the Assertion

C

If Assertion is true statement but Reason is false

D

If both Assertion and Reason are false statements

Text Solution

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Knowledge Check

  • Extraction of metal from the ore cassiterite involves

    A
    Carbon reduction of an oxide ore
    B
    Self-reduction of sulphide ore
    C
    Removal of copper impurity
    D
    Removal of iron impurity

  • Assertion : Usually the sulphide ore is converted to oxide before reduction. Reason : Reduction of oxides occurs easier.

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

  • In the cyanide extraction process of silver from argentite ore, the oxidising and reducing agents are

    A
    `O_2 and CO` respectively
    B
    `O_2` and Zn respectively
    C
    `HNO_3` and Zn dust respectively
    D
    `HNO_3` and CO respectively