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Which of the following is NOT an ore ?...

Which of the following is NOT an ore ?

A

Bauxite

B

Malachite

C

Zinc blende

D

Pig iron

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

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

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

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  4. The chief impurity present in bauxite is

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

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  6. Alumina is .

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

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

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

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

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

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  12. The reaction which shows as autoreduction is .

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  13. Blister copper is .

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  14. During electrolytic refining of blister copper, .

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

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  16. Which of the following is NOT an ore ?

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  17. Galena is an ore of

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  18. Which of the following is FALSE ?

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

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  20. Blast furnace is employed in the smelting of oxide ore with coke and f...

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