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of the following reduction process, corr...

of the following reduction process, correct processes are:

A

`Fe_(2)O_(3)+C to Fe`

B

`ZnO+C to Zn`

C

`Ca_(3)(PO_(4))_(2)+ C to P`

D

`PbO+C to Pb`

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
Coke is a reducing agent but does not reduces strong electropositive metal compound . `Ca_(3)(PO_(4))_(2)+C to P` is not possible.
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AAKASH SERIES-METALLURGY-LEVEL-II (LECTRURE SHEET) (EXERCISE-I)
  1. Metals which can be extracted by smelting process are:

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  2. Roosting is carried out to

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  3. of the following reduction process, correct processes are:

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  4. Roasting of copper pyrites is done

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  5. Highly electropositive metals can not he extracted by carbon reduction...

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  6. Which one of the following metals can be extracted by aluminothermit p...

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  7. For which of the following metal the carbon reduction cannot be used ?

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  8. The advantages of using carbon to reduce a number of oxides and other ...

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  9. The disadvantages of carbon reduction method are:

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  10. The chemical treatment of the ore for concentration is done in the cas...

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  11. What are the froth stabilizers in forth floatation process

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  12. Froth flotation

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  13. The function of adding cryolite in the clectrolytic reduction of alumi...

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  14. Electrolysis method is used for the extraction of

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  15. Which of the following equation reprsents smelting process

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  16. In the extraction of which of the following metals is used for amalgam...

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  17. The flux that can be used for the removal of hasic impurities like Cou...

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  18. Chemical reduction is used in the extraction of

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  19. Bessemerisation is used in the metallurgy of

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  20. Electro-metallurgical process (electrolysis of fused electrolyte) is e...

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