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Write down the reactions taking place in...

Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.

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PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -NCERT QUESTIONS AND EXERCISES WITH ANSWERS (NCERT EXERCISES)
  1. Which is better reducing agent at 983 K, C or CO ?

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  2. Name the common elements present in the anode mud in electrolytic refi...

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  3. Write down the reactions taking place in different zones in the blast ...

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  4. Write chemical reactions taking place in the extraction of z...

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  5. State of the role of silica in the metallurgy of copper.

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  6. What is meant by the term "chromatography"?

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  7. What criterion is followed for the selectrion of the stationary phase ...

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  8. Describe a method for refining nickel.

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  9. How can you separate alumina from silica in a bauxite ore associated w...

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  10. Giving examples differentiate between roasting and calcination.

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  11. How is cas iron different from pig iron ?

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  12. Differentiate between “minerals” and “ores”.

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  13. Why copper matte is put in silica lined converter?

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

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  15. How is leaching carried out in case of low grade copper ores?

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  16. Why is zinc not extracted from zinc oxide through reduction using CO?

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  17. The value of Deltaf G^@ for the formation of Cr2 O3 is -540 KJ mol^(-1...

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  18. Out of C and CO, which is better reducing agent for ZnO?

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  19. The choice of a reducing agent in a particular case depends on thermod...

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  20. Name the processes from which chlorine is obtained as a by-product. Wh...

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