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Explain hydraulic washing used for ore c...

Explain hydraulic washing used for ore concentration.

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In this process, stream of running water is used to wash the powdered ore. An unwanted lighter, gangue particles are washed away and the heavier ores are left behind.
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  1. What is metallurgy ?

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  2. What is concentration of ores ?

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  3. Explain hydraulic washing used for ore concentration.

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  4. Explain the magnetic properties of transition metals.

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  5. Explain froth flotation on process.

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

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

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

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

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  10. What is roasting ? Explain.

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  11. What is calcination? Explain.

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

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

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

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

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

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  17. Write the composition of copper matte.

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

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

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

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