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Which of the following is NOT a mineral ...

Which of the following is NOT a mineral of aluminium ?

A

Cryolite

B

Diaspore

C

Corundum

D

Azurite

Text Solution

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The correct Answer is:
D
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TARGET PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Critical Thinking
  1. The smelting of iron in the blast furnace involves all the following p...

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  2. Which of the following reactions does NOT occur in blast furnace ?

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  3. Which of the following is NOT a mineral of aluminium ?

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  4. Baeyer's process is used for the purification of bauxite containing as...

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  5. The chief impurity present in bauxite is

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  6. Which of the following reaction is involved in the Hall's method of pu...

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  7. Alumina is .

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  8. Aluminium is produced on a large scale by electrolysis of alumina, dis...

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  9. In hall and Heroult's process , the molten electrolyte is covered with...

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  10. Aluminothermic process is used for the extraction of metals, whose oxi...

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  11. High quantity of heat is produced in the formation of Al(2)O(3). This ...

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  12. For the extraction of chromium from Cr(2)O(3) the process adopted is ...

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  13. The reaction which shows as autoreduction is .

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  14. Blister copper is .

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  15. During electrolytic refining of blister copper, .

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  16. Cu^(2+) ions are more stable than Cu^(+) ions because Cu^(2+) ions as ...

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  17. Which of the following is NOT an ore ?

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  18. Galena is an ore of

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  19. Which of the following is FALSE ?

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  20. Which of the following ores is subjected to roasting during metallurgi...

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