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which of the following is not an oxide o...

which of the following is not an oxide ore?

A

Cassiterite

B

Bauxite

C

Cryolite

D

Haematite

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Cassiterite : `SnO_(2)`
Bauxite : `Al_(2)O_(3). 2H_(2) O`
Haematite : `Fe_(2)O_(3)`
Cryolite : `Na_(3)AlF_(6)`.
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CENGAGE CHEMISTRY ENGLISH-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Multiple Correct)
  1. The metal which can't form amalgam is

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  2. Metallury involves steps :

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  3. which of the following is not an oxide ore?

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  4. Which of the following are correct processes ?

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  5. Which of the following are correctly matched ?

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  6. Auto-reduction process is used for the extraction of :

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  7. Which of the following reaction occur during calcination ?

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  8. Leaching can be used for extraction of

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  9. MgO can be used as a refractory material because

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  10. Salt which is (are) least likely to find in minerals

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  11. The extraction of metals from oxide ores involve :

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  12. According to Ellingham diagram the oxidation reaction of carbon and ca...

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  13. Which of the following statements are correct regarding metallurgy of ...

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  14. In the electrolytic reduction of pure Al2O3. Fluorspar (CaF2) is added...

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  15. Which is correct process-mineral group in metallurgical extraction ?

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  16. Tempering of steel

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  17. Out of the following reduction processes : (i) Fe(2)O(3) + 3C rarr 2...

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  18. Which of the following metals cannot be obtained by electrolysis /

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  19. Silver containing lead as an impurity is not purified by

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  20. Select the correct statements for Ellingham diagram.

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