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Electrolytic refining is used to purify ...

Electrolytic refining is used to purify which of the following metals?

A

Cu and Zn

B

Ge and Si

C

Zr and Ti

D

Zn and Hg

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The correct Answer is:
A
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U-LIKE SERIES-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-MULTIPLE CHOICE QUESTIONS
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  2. Which of the following is not a concentration process?

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  3. Mond's process is carried out for the purification of

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  4. Heametite is an ore of

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  5. Monds process can be used for the refining of

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  6. The relation between triangleG, triangleH" and "triangleS is given by

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  7. Which of the metals cannot be obtained by the process of leaching?

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  8. A low melting metal can be refined by

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  9. Heating an ore in a regular supply of air in a furnace at a temperatur...

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  10. The present form of commercial iron is

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  11. In the extraction of copper from its sulphide ore, the metal is formed...

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  12. Which of the following elements is present as impurity to the maximum...

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  13. A number of elements are available in earth's crust but most abundant ...

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  14. In the matallurgy of aluminium………..

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

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  16. Zone refining is based on the principle that…………

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  17. Brine is electrolysed by using inert electrodes. The reaction at anode...

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  18. The main reactions occurring in blast furnace during extraction of iro...

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  19. In which of the following method of purification, metal is converted t...

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  20. Electrolytic refining is used to purify which of the following metals?

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