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The disadvantage of carbon reduction met...

The disadvantage of carbon reduction method are :

A

high temperature needed which is expensive and requires the use of a blast furnace

B

many metals combine with carbon forming carbides

C

carbon combines with oxgen to form poisonous CO

D

carbon cannot be used with highly electropositive metals

Text Solution

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The correct Answer is:
A, B
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VK JAISWAL-METALLURGY-One OR MORE ANSWERS IS/ ARE CORRECT
  1. For which of the following metal, the carbon reduction cannot be used ...

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  2. The advantage(s) of using carbon to reduce a number of oxides and othe...

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  3. The disadvantage of carbon reduction method are :

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  4. Which of the following metals are extracted from its ore by using self...

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  5. Which of the following is / are correctly matched ?

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  6. The funciton of adding cryolite in the electrolytic reduction of alumi...

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  7. Which of the following reduction reactions are actually employed in co...

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  8. The main reaction occuring in blast furnace during the extraction of i...

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  9. Which of the following are true for electrolytic extraction of alumini...

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  10. Select correct statement regrading silver extraction//purification pro...

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  11. Aluminothermy used for on the spot welding of large iron structures is...

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  12. Highly electropositive metals can not be extracted by carbon reduction...

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  13. Which of the following reaction in the blast furnace is / are endother...

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  14. The funace lining in steel manufacture consists of :

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  15. Pick up the correct statement(s) :

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  16. Which of the following metal (s) is /are commercially extracted by sel...

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  17. Which of the following process makes the ore porous ?

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  18. Which of the following ores is / are oxide ore (s) ?

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  19. Roasting of copper pyrites is done :

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  20. Which of the following is a correct statement ?

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