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Explain the electrolytic refining of a m...

Explain the electrolytic refining of a metal.

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Explain the principle of the method of electrolytic refining of metals. Give one example.

Name the common elements present as anode mud in the electrolytic refining of copper. Why are they so present?

Discuss electrolytic refining of copper.

In electrolytic refining, the crude metal is made………………

Fill in the blanks : In the metallurgical processes for the electro refining of the metal, the anode is made of ………….. Metal.

Name two metals purified by electrolytic refining process.

USHA PUBLICATION-GENERL PRINCIPAL AND PROCESS OF ISOLATION OF ELEMENTS-EXERCISE
  1. Copper can be extracted by hydrometallurgy but not zinc. Explain.

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  2. Describe the principle of van-Arkel process for refining of metal.

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  3. Name three ores which can be purified by froth floatation process. Wha...

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  4. Name one chief ore of iron and aluminium. Name the methods used for th...

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  5. Explain the electrolytic refining of a metal.

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  6. How is zinc extracted from its sulphide ore ?

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  7. How is zinc dust and granulated zine prepared from zinc metal ?

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  8. The process used for purification of bauxite ore containing high silic...

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  9. What is the role of lime stone in the extraction of iron ?

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  10. How can you get wrought iron from cast iron ?

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  11. What is polling ?

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  12. What do you mean by autoreduction in metallurgy?

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  13. What is thermite welding ?

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  14. What is the role of silica in the metallurgy of copper?

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  15. Predict conditions under which Al might be expected to reduce MgO.

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  16. Describe Mond process for refining of nickel

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  17. What is the role of depressant in froth flotation process ?

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  18. Out of C and CO, which is a better reducing agent at 673 K?

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  19. What is flux ?

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  20. Out of 'C' and CO which is a better reducing agent for FeO ?

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