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Analyses the table given below: Which...

Analyses the table given below:
Which of the ores mentioned in the above table can be concentrated by magnetic separation method? Justify your answer.

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Ores in which one of the components (either the impurity or the actual ore) is magnetic can be concentrated e.g. Ores containing iron [haematite magnetite. siderite and iron pyrites]
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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Analyses the table given below: Which of the ores mentioned in the ...

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  2. What is the significance of leaching in the extraction of aluminium?

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  3. Metallrgical process can be explained in terms of thermodynamic princi...

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  4. Is it ture under certain conditions Mg can reduce Al2O3 and Al can red...

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  5. Copper can be extracted by hydrometallurgy but not zinc. Explain.

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

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  7. Why is the extraction of coppper from pyrites more difficult than that...

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  8. Explain: i) Zone refining ii)Column chromatography

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  9. Out of C and CO, which is a better reducing agent at 673K?

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  10. Name the common elements present in the anode mud in electrolytic refi...

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

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  12. Write chemical reactions taking place in the extraction of zinc from z...

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  13. State the role of silica in the metallugy of copper.

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  14. What is meant by the term,' Chromatography' ?

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  15. What criterion is followed for the selection of the stationary phase i...

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  16. Describe a method for refining nickel.

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  17. How can you separate alumina from silica in a bauxite ore associated w...

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  18. Giving examples, differentiate between 'roasting' and 'calcination'.

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  19. How is 'cast iron ' different from 'pig iron'?

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  20. All ores are minerals, but all minerals are not ores. Why?

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