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In the commercial electrochemical proces...

In the commercial electrochemical process for aluminium extraction, the electrolyte used is

A

`AI(OH)_(3)` in `NaOH` solution

B

An aqueous solution of `AI_(2)O_(3)` and `Na_(3)AIF_(6)`

C

A molten mixture of `AI_(2)O_(3)` and `Na_(3)AIF_(6)`

D

A molten mixture of `AIO(OH)` and `AI(OH)_(3)`

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The correct Answer is:
C
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ALLEN-METALLURGY-EXERCISE-05 [B]
  1. When the ore haematite is burnt in air with coke around 2000 K along w...

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  2. In the commercial electrochemical process for aluminium extraction, th...

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  3. Write the chemical reactions involved in the extraction of metallic si...

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  4. Write down the reactions involved in the extraction of Pb. What of the...

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  5. The chemical process in the production of steel from haematite ore inv...

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  6. Electrolytic reduction of alumina to aluminium by Hall-Heroult process...

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  7. The chemical composition of slag formed during the smelting process in...

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  8. Which of the following processes is used in extractive metallurgy of m...

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  9. In the process of extraction of gold , Roasted gold ore + CN((aq))^...

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  10. The methods chiefly used for the extraction of lead and tin from their...

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  11. Which ore contains both potassium and magnesium?

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  12. A(1) and A(2) are two ores of metal M.A(1) on calcination gives a blac...

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  13. Match the column :

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  14. By which process and is extracted from zinc blende?

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  15. Match the column:

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  16. Native silver metal forms a water soluble complex with a dilute aqueou...

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  17. Copper is the most noble of first row transition metals and occurs in ...

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  18. Copper is the most noble of first row transition metals and occurs in ...

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  19. Copper is the most noble of first row transition metals and occurs in ...

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  20. Extraction of metal from the ore cassiterite involves

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