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Write about Alumino thermic process with...

Write about Alumino thermic process with examples.

A

An oxidising agent

B

A flux

C

A reducing agent

D

Soldering

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS-Multiple choice questions
  1. In metallurgy, flux is a substance used to convert

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  2. Which of the following benefication processes is used for the mineral ...

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  3. Write about Alumino thermic process with examples.

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  4. In the electrolysis of alumina, cryolite is added to

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  5. Aluminium is more reactive than iron. But aluminium is less easily cor...

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  6. Heating pyrites to remove sulphur is called

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  7. The main function of roasting is

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  8. Zone refining is a method to obtain

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  9. Van Arkel method of purification of metals involves converting the met...

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  10. Electrolytic reduction method is used fro the extraction of

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  11. When copper is placed in the atmosphere for sufficient time, a green c...

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  12. Roasting of copper pyrites is done

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

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  14. The slag obtained during the extraction of copper from coper pyrites i...

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  15. Copper matte consists of:-

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  16. Which method is based on distribution principle?

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  17. Which statement about corrosive sublimate is incorrect ?

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  18. Iron is obtained on large scale from haematite Fe(2)O(3)

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  19. Polling process us used in the purification of

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  20. Spelter is

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