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What is the main difference between ? ...

What is the main difference between ?
`(i)` Cupellation and poling
`(ii)` Hydrometallurgy and pyrometallurgy
`(iii)` Leaching and Levigation

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PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
  1. Silver ores and native gold have to be leached with metal cya...

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  2. Describe the role of the following : (i) NaCN in the extractio...

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  3. What is the main difference between ? (i) Cupellation and poling (...

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  4. Differentiate between roasting and calcination.

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  5. Explain the term calcination and roasting with suitable exampl...

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  6. Carbonate ores are usualy subjected to calcination while sulphi...

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  7. What is a flux ? Discuss its types and uses in metallurgical o...

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  8. Differentiate between the following : (i) Flux and slag (ii...

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  9. Draw the Ellingham diagram for the formation of carbon monoxi...

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  10. Is carbon a satisfactory reducing agent for all metal oxides ? G...

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  11. What chemcial princpicl is involved in choosing a reducing agent for g...

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  12. What is the chief ore of iron ? Write chemical reactions taking ...

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

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  14. Describe how the following changes are brought about : (i) P...

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  15. Describle the principal controlling each of the following processe...

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  16. Explain the following steps with chemical equations in the extr...

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  17. Describe the role of the following : (i) Limestone in the m...

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  18. What is the role of following ? (a) Depressant in the froth floatati...

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  19. Write the chemical reactions which take place in the followin...

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  20. Outline the principle of the method used for refining of (a...

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