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Write one difference between gangue and ...

Write one difference between gangue and flux.

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Write one difference between ore and mineral.

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  2. Define calcination and roasting.

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  3. Write one difference between gangue and flux.

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

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

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

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

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  8. Describe how the following change is brought about : Zinc oxide into ...

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  9. Describe how the following change is brought about : Impure titanium i...

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  10. Describe the role of NaCN in the extraction of gold from gold ore.

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  11. Fill in the blanks- is the chemical compound used for making rayon fa...

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  12. Describe the role of the following in the processes mentioned: Iodine ...

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  13. What is the role of graphite rod in the metallurgy of aluminium ?

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  14. Explain the role of the following in the extraction of metals from the...

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  15. Explain the role of the following in the extraction of metals from the...

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  16. Explain the role of the following in the extraction of metals from the...

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  17. Why is the reduction of a metal oxide easier if the metal formed is in...

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  18. Explain magnetic separation with the help of diagram.

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  19. Explain Mond’s process used for refining of nickel.

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  20. Explain the magnetic separation of Tinston ore?

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