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Which of the following techniques is use...

Which of the following techniques is used in the manufacture of aluminium from bauxite

A

Reduction with magnesium

B

reduction with coke

C

Electrolytic reduction

D

Reduction with iron

Text Solution

Verified by Experts

The correct Answer is:
C
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NARAYNA-METTALURGY-Extraction
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  2. A mixture of white powder and coke is heated in nitrogen gas very stro...

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  3. Which of the following techniques is used in the manufacture of alumin...

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  4. In the electrolusis of alumina. Cryolite is absorbed to

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  5. Mark the wrong staement among the following. The iron ore after washin...

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  6. Which of the following metals can be oriented directly during the roas...

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  7. Which of the followigng metal is obtained by the reduction of metal ox...

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  8. Galena (PbS) on heating in limited supply of air gives lead metal. Thi...

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  9. Which of the following oxides is reduced by water gas to obtain the me...

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  10. For which one of the following reaction, the graph of DeltaG against T...

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  11. At which one of the following condition, a reducing a metal oxide

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  12. Some statement about Ellingham diagram (a) Increase in the slope of ...

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  13. Consider the following reaction at 1000^(@)C (A) Zn((s))+(1)/(2)O(2(...

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  14. Cabon cannot reduce Fe(2)O(3) to Fe at a temperature below 983K becaus...

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  15. In the blast furncae the reaction that occurs in the zone of heat abso...

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  16. The flux used in the extraction of iron from Haematite in te blast fur...

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  17. Cast iron contains phosphorus as impurity. In Bessemerisation of this ...

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  18. Which of the following is not a correct statement ?

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