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Explain magnetic separation with the hel...

Explain magnetic separation with the help of diagram.

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Explain the role of the following in the extraction of metals from the...

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

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  3. Explain magnetic separation with the help of diagram.

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

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  5. Explain the magnetic separation of Tinston ore?

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

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  7. What is the Commercial name of mercuric sulphide?

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  8. Giving examples, differentiate between roasting and calcination.

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  9. How is Cast iron different from Pig iron ?

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  10. What is magnetic separation method for concentration of ore?

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  11. The chemical name for Vermilian is

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  12. Fill in the blanks with appropriate answer- Mercuric sulphide is also ...

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

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  14. State whether the statement is true or false- Vermilian is another nam...

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  15. State whether the statement is true or false- Vegetables are animal pr...

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  16. Give an example of zone refining of metals.

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

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  18. State whether the statement is true or false- Photosynthesis process i...

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  19. State whether the statement is true or false- Artificial gold is an al...

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  20. What are calcination and roasting ? In which type of ores are these pr...

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