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Which of the following set represent cor...

Which of the following set represent correct formula for malachite, magnetite, Calamine & Cryolite ?

A

`CuCO_(3),Fe_(2)O_(3),ZnO,Al_(2)O_(3)`

B

`CuCO_(3).Cu(OH)_(2),Fe_(3)O_(4),ZnCO_(3),Na_(3)AlF_(6)`

C

`CuCO_(3),Fe_(3)O_(4),ZnCO_(3),Al_(2)O_(3)`

D

`CuCO_(3).Cu(OH)_(2),Fe_(2)O_(3),ZnCO_(3),Na_(3)AlF_(6)`

Text Solution

Verified by Experts

The correct Answer is:
B
Malachite, `CuCO_(3).Cu(OH)_(2)`
Magnetite, `Fe_(3)O_(4)`
Calamine, `ZnCO_(3)`
Cryolite, `Na_(3)AlF_(6)`
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Knowledge Check

  • Which of the following represents correct mirror formula ?

    A
    `(1)/(f)=(1)/(v)-(1)/(u)`
    B
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    C
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    D
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    `dphi=vecds*vecB`
    B
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    C
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  • Which of the following represents correct mirror formula ?

    A
    `(1)/(f)=(1)/(v)-(1)/(u)`
    B
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    C
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    D
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