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Write the chemical reactions which take ...

Write the chemical reactions which take place in the following operations :
Mond's process of refining nickel

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ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (SHORT ANSWER QUESTIONS)
  1. Write the chemical reactions which take place in the following operati...

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  2. Write the chemical reactions which take place in the following operati...

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  3. Write the chemical reactions which take place in the following operati...

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  4. What chemical principle is involved in choosing a reducing agent for g...

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  5. Describe the role of the following: NaCN in the extraction of silve...

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  6. Describe the role of the following: Cryolite in the extraction of a...

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  7. Give reason : Reduction of Cr(2) O(3) with Al is thermodynamically fea...

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  8. Account for the following facts: (a) The reduction of a metal oxide ...

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  9. Account for the following facts : pine oil is used in froth floatat...

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  10. Name the method used for the refining of (i) nickel (ii) zirconium.

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  11. The extraction of Au by leaching with NaCN involves both oxidation and...

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  12. Describe how the following changes are brought about: Pig iron into...

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  13. Describe how the following changes are brought about: Zinc oxide to...

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  14. Describe how the following changes are brought about: Impure titani...

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  15. What is the utility of air blast in the extraction of iron in blast fu...

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  16. What is 'anodisation'? Give an example of the process.

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  17. Describe the role of the following: lodine in the refining of titan...

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  18. Describe the role of the following: Cryolite in the metallurgy of A...

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  19. Explain the role of each of the following in the extraction of metals ...

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  20. Explain the role of each of the following in the extraction of metals ...

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