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Cassiterite ore (SnO(2)) is purified by...

Cassiterite ore `(SnO_(2))` is purified by

A

Magnetic separator

B

roasting

C

leaching

D

Calcination

Text Solution

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The correct Answer is:
A, B, C
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NARAYNA-METTALURGY-MULTIPLE ANSWER QUESTOINS
  1. In which of the following pair(s) the minerals are converted in to met...

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  2. The reaction (s) which does (do) not occur in the reduction zone in th...

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  3. Cassiterite ore (SnO(2)) is purified by

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  4. Which of the following statements(s) is (are) true?

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  5. Why lime stone is added in the extraction of lead from galena ?

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  6. The major role of fluorpar (CaF2 ) which added in small quantities in ...

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  7. Which of the following statement(s) is /are correct?

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  8. Which of the following statement(s) is/are correct about slag?

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  9. Which of the following common element(s) is/are present in the anode m...

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  10. Bessemerisation is carried out for

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  11. Select the correct statement.

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  12. The reaction (s) which does (do) not occur in the reduction zone in th...

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

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  14. Froth flotation

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  15. The metals which cannot be obtained by electrolysis of aqueous solutio...

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  16. Which of the following are methods of concentration of minerals

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  17. Roasting is carried out to :

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  18. The correct statement (s) is/are

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  19. Following reaction(s) is/are involved in thermite process :

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  20. Why lime stone is added in the extraction of lead from galena?

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