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Name the depresent used to separate two ...

Name the depresent used to separate two sulphide ores containing ZnS and PbS.

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Sodium cyanide (NaCN).
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SUBHASH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -Questions
  1. Explain froth flotation on process.

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  2. What type of ore is concentrated by froth floatation ?

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  3. Name the depresent used to separate two sulphide ores containing ZnS a...

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  4. Name the process used for the concentration of sulphide ores.

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  5. Describe the three steps involved in the leaching of bauxite to get p...

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  6. What is roasting ? Explain.

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  7. What is calcination? Explain.

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  8. What is the role of lime stone in the extraction of iron from the conc...

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  9. Among carbon and carbon monoxide which one is a better reducing agent ...

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  10. Among carbon and carbon monoxide which one is a better reducing agent ...

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  11. What is the role of lime stone in the extraction of iron from the conc...

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  12. Explain the process of obtaining 'blister copper' from copper matte'' ...

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  13. Write the composition of copper matte.

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  14. Name the flux used to remove iron impurity from molten copper matte.

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  15. State the role of silica in the metallurgy of Copper.

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  16. During the extraction of aluminium by Hall-Heroult process at which el...

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  17. Draw labelled diagram of Hall-Heroult electrolytic cell for the extrac...

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  18. In the extraction of aluminium by electrolysis. (i) Give the composi...

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  19. During the extraction of aluminium by Hall-Heroult process at which el...

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  20. In the reaction of gold with aquaregia, oxidation state of Nitrogen ch...

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