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Which is acidic flux ?...

Which is acidic flux ?

A

CaO

B

MgO

C

`SiO_2`

D

All of these

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Assignment (Section-A) Objective type Question
  1. Which of the following is not correctly matched?

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

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  3. Which is acidic flux ?

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  4. In the metallurgy of iron, the slag is

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  5. What type of ores can be concentrated by magnetic separation method ...

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  6. Which of the following is commonly used to produce form in froth float...

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  7. Serpeck's method involves the heating of bauxite with

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  8. A sulphide ore is converted into metal oxide by the process of:

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  9. Which of the following metal oxides are reduced by self-reduction meth...

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  10. Which of the following is used as reducing agent in Goldschmidt method...

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  11. Which of the following is used to reduce TiCl4 to Ti?

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  12. In Ellingham diagrams plots of Delta(f)G (oxide formation) show positi...

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  13. Which of the following statement is correct w.r.t. the following graph...

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  14. In Elingham diagrams of DeltaG de formation Vs T, which of the followi...

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  15. The form of iron obtained from blast furnace is:

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  16. Which of the following has lowest percentage of carbon?

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  17. Why partial roasting of sulphide ore is done in the metallurgy of copp...

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  18. Zinc is extracted from zinc blende by

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  19. Which of the following metal is leached by Cyanide process

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  20. Hall-Heroult method is used during extraction of :-

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