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Explain the role of each of the followin...

Explain the role of each of the following in the extraction of metals from their ores:
Silica in the extraction of copper.

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Explain the role of each of the following : (i) NaCN in the extraction of silver (ii) SiO_(2) in the extraction of copper

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ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (SHORT ANSWER QUESTIONS)
  1. Explain the role of each of the following in the extraction of metals ...

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

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

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  4. State the role of depressant in froth floatation process.

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

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  6. State the role of graphite rod in the electrolytic reduction of alu...

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

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  8. How can you obtain pure alumina from a bauxite ore associated with sil...

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

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

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

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

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

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  14. What is slag? Give one example.

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  15. What are the main constituents of German silver.

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

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

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

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

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

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