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What is froth floatation process ? Name ...

What is froth floatation process ? Name the ores which are concentrated by froth floatation process . What is meant by a depressant ?

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. White vitriol is used for-

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  2. The commercial name of zinc sulphate is-

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  3. What is froth floatation process ? Name the ores which are concentrate...

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  4. List important steps for the extraction of zinc from zinc blende .

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  5. Outline the principles involved in the following methods of refining o...

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  6. Chemical formula for white vitriol is-

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  7. Explain the basic principles of the following metallurgical operations...

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  8. Explain the basic principles of the following metallurgical operations...

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  9. Explain the basic principles of the following metallurgical operations...

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  10. Explain the basic principles of the following metallurgical operations...

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  11. A chemical compound is used for making rayon fabrics and in fertilizer...

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  12. Zinc sulphate is used for-

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  13. What is the role of cryolite in the metallurgy of aluminium ?

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  14. Write one difference between ore and mineral.

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  15. Define calcination and roasting.

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  16. Write one difference between gangue and flux.

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  17. Draw a neat and labelled diagram for the refining of aluminium by Hoop...

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  18. Write a short note on electrolytic refining of copper.

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  19. Draw a neat and labelled diagram for zone refining of metals.

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  20. Describe how the following change is brought about : Pig iron into st...

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