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The auto reduction process is not used i...

The auto reduction process is not used in the metallurgy of

A

Hg

B

Cu

C

Pb

D

Fe

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The correct Answer is:
D
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DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
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  2. Bauxite ore is made up of Al(2)O3 + SiO2 + TiO2 + Fe(2)O3 . This ore ...

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  3. The auto reduction process is not used in the metallurgy of

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  4. The incorrect statement among the following is

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  5. Which of the following is used in thermine welding ?

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  6. Which of the following methods is used for obtaining Aluminium metal ?

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  7. According to Ellinigliam diagram, the oxidation reaction of carbon to ...

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  8. In the equation , 4M + 8CN^(-) + 2H(2)O + O rarr 4[M(CN)2]^(-) + 4OH^(...

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  9. Oxidation states of the metal in the mineral haematite and magnetite ,...

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  10. Which of the following does not occur as sulphide ore. ?

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  11. Calamine is an ore of

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  12. Bauxite has composition

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  13. Which of the following statements is false ?

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  14. In view of the sign of delta(n)G^(o) for the following reaction : Pb...

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  15. The following reactions take place in the blast furnace in the prepara...

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  16. Which of the following elements is present as the impurity to the maxi...

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  17. Which of the following pairs of metals is purified by Van Arkel method...

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  18. Heating mixture of Cu(2)Oand Cu(2)S will give

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  19. During electrolytic refining of copper some metals , present as impuri...

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  20. Aluminium is extracted from Alumina (Al(2)O3 ) by electrolysis of a mo...

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