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Which of the following metal (s) is /are...

Which of the following metal (s) is /are commercially extracted by self reduction method from their correspoindign ore ?

A

Copper

B

Mercury

C

Lead

D

Silver

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The correct Answer is:
A, B, C
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VK JAISWAL ENGLISH-METALLURGY-One OR MORE ANSWERS IS/ ARE CORRECT
  1. The advantage(s) of using carbon to reduce a number of oxides and othe...

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  2. The disadvantage of carbon reduction method are :

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

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

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

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

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  7. The main reaction occuring in blast furnance during extraction of iron...

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

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

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

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  11. Highly electropositive metal(s) can not be commercially extracted by c...

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

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  13. The funace lining in steel manufacture consists of :

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  14. Pick up the correct statement(s) :

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

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

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

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  18. Roasting of copper pyrites is done:

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  19. Which of the following is a correct statement ?

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  20. In which of the following pairs, both the minerals are oxides ?

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