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In which of the following pairs, both th...

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

A

Sylvine, saltpetre

B

Casseterite, litharge

C

Siderite, corundum

D

Cuprite, tinstone

Text Solution

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The correct Answer is:
B, D
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VK JAISWAL-METALLURGY-One OR MORE ANSWERS IS/ ARE CORRECT
  1. Roasting of copper pyrites is done :

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  2. Which of the following is a correct statement ?

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

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  4. Which of the following mineral does not contain sodium ?

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  5. Which of the following pair consists of ore of the same metal ?

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  6. The process by which ligher earthly particles are made free from heavi...

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  7. Roasting is carried out to :

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

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  9. Froth floatation :

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  10. Which of the following reactions occurs during calcination ?

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  11. Amphoteric nature of aluminium is employed in which of the following p...

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  12. Which of the following is true for calcination of a metal ore ?

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  13. The difference (s) between roasting and calcination is / are :

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  14. The etraction of metals from oxide ores involves

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  15. Metals which can be extracted by smelting process are :

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  16. Of the following reduction processes, correct processes are :

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  17. During the production of iron and steel.

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  18. The smelting of iron in a blast furnace involves, which of the followi...

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  19. Which one of the following metals can be extracted by aluminothermic p...

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  20. For which of the following metal, the carbon reduction cannot be used ...

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