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Name three ores which can be purified by...

Name three ores which can be purified by froth floatation process. What is the role of pine oil in this process ?

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Froth floatation process is based on :

The ore that is concentrated by froth floatation process is

Write the principle behind the froth floatation process. What is role of collectors in this process?

Why sulphide ores are concentred by froth floatation process.

Name two collectors used in froth floatation process.

Oil used as frother in froth floatation process

Froth floatation process is used for the benefication of :

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. How the bauxite ore is purified which contains considerable amount of ...

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  9. What is the role of lime stane 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 from its pyrite...

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  15. What are the condition in which Al can reduce MgO and Mg car reduce AI...

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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 CO and C, which is a better reducing agent at 400^@C ?

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  19. What is the role of lime stane in the extraction of iron ?

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

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