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In the electrolytic refining of zinc, .....

In the electrolytic refining of zinc, ............

A

graphite is at the anode

B

the impure metal is at the cathode

C

the metal ion gets reduced at the anode

D

acidified zinc sulphate is the electrolyte

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. In aluminothermic process, Al is used as

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  2. State the role of silica in the metallurgy of copper.

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  3. In the electrolytic refining of zinc, ............

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  4. According to Ellingham diagram, the oxidation reaction of carbon to c...

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  5. formula of copper sulphate

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  6. From the Ellingham graphs on carbon, which of the following statements...

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  7. The function of potassium ethyl xanthate in froth floatation process i...

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  8. Magnetic separation is used in the concentration of: Copper pyrites, C...

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  9. When limestone is heated, CO2 is given off. The metallurgical operatio...

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  10. The statement that is not correct is

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  11. Match the metal in Column I with the ores in Column II

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  12. Match the extraction process in Column I with the metal in Column II.

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  13. Match the species given in Column I that are present in the ore(s) giv...

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  14. In the extraction of chlorine from brine .

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  15. When copper ore is mixed with silica, in a reverberatory furnace coppe...

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  16. Which of the following reactions is an example of auto reduction ?

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  17. A number of elements are available in earth’s crust but most abundant ...

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  18. Zone refining is based on the principle that .

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

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  20. During the electrolysis of NaCl solution, the gas liberated at the ano...

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