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Iron exhibits property of ferromagnetism...

Iron exhibits property of ferromagnetism__________.

A

above 1800K

B

at 1800 K

C

below 1042 K

D

above 1042 K

Text Solution

Verified by Experts

The correct Answer is:
C
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TARGET PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Critical Thinking
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  2. Which of the following is INCORRECT regarding modern vertical retort p...

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  3. Iron exhibits property of ferromagnetism.

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  4. In metallurgy if iron, charge introduced in the blast furnace consists...

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  5. In the cup and cone arrangement of blast furnace, the cone enables .

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  6. In the metallurgy of iron, when limestone is added to the blast furnac...

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  7. The smelting of iron in the blast furnace involves all the following p...

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

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

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

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  11. The chief impurity present in bauxite is

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

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  13. Alumina is .

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

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

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

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

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

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  19. The reaction which shows as autoreduction is .

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  20. Blister copper is .

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