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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?

What is the role of collectors in froth floatation process? Name two collectors.

What is the role of collectors in froth floatation process ?

ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (SHORT ANSWER QUESTIONS)
  1. How can you obtain pure alumina from a bauxite ore associated with sil...

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  2. What is a flux? What is the role of flux in the metallurgy of iron and...

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

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  4. Describe the principle involved in each of the following processes: ...

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  5. Describe the principle involved in each of the following processes: ...

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  6. Name one chief ore each of copper and aluminium. Name the method used ...

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  7. What is slag? Give one example.

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  8. What are the main constituents of German silver.

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  9. Draw the Ellingham diagram for the formation of carbon monoxide. What ...

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  10. Which solution is used for the leaching of silver metal in the presenc...

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  11. (a) Which solution is used for the leaching of silver metal in the pr...

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  12. Which of the following ores can be concentrated by froth floatation me...

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  13. What is the role of silica in the metallurgy of copper.

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  14. Name the method used for removing gangue from sulfide ores.

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  15. How is wrought iron different from steel?

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  16. Name the principal ore of aluminium. Explain the significance of leach...

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  17. Predict the modes of occurrence of the following three types of metals...

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  18. Name the chief forms of the occurrence of the following in the earth's...

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  19. Discuss some of the factors which need consideration before deciding o...

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  20. What is the difference between a rock and a mineral ?

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