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What is the role of depressant in froth ...

What is the role of depressant in froth floatation process?

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(i) Name the method of refining to obtain silicon of high purity. (ii) What is the role of SiO_2 in the extraction of copper? (iii) What is the role of depressants in froth floatation process ?

(a) Write the principle involved in the vapour phase refining of metals. (b) Write the name of the metal refined by each of the following processes : (i) Mond process (ii) van Arkel method (c ) What is the role of depresent in froth floatation process ?

State the role of depressant in froth floatation process.

(a) Write the principle of electrolytic refining. (b) Why does copper obtained in the extraction from copper pyrites bave a blistered appearance? (c) What is the role of depressants in the froth floatation process?

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What is the role of collectors in froth floatation process ?

CENGAGE CHEMISTRY ENGLISH-APPENDIX INORGANIC VOLUME 2-Exercises
  1. Copper can be extracted by hydrometallurgy but not zinc. Explain.

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  2. What is the role of depressant in froth floatation process?

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  3. Why is the extraction of copper from pyrites more difficult than that ...

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  4. Outline the principples behind the refining of metals by the following...

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  5. Out of C and CO, which is a better reducing agent at 673 K ?

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

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

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  8. Write chemical reactions taking place in the extraction of zinc from z...

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  9. What is the function of SiO(2) in the metallurgy of copper?

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  10. Answer the Following: (i) What si the role of cryolite in the metall...

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  11. What criterion is followed for the selection of the stationary phase i...

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  12. Describe a method for refining nickel.

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

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  14. Giving examples, differentiate between ‘roasting’ and ‘calcination’.

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  15. How is cast iron different from pig iron ?

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

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

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

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  19. What is the process of leaching in case of low grade copper ores ?

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

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