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Which of the following ores can be conce...

Which of the following ores can be concentrated by magnetic separation. (i) Zinc blende, (i) Bauxite (iii) Haematite (iv) Magnetite

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Haematite and magnetite can be concentrated by magnetic separation.
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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
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  2. Prudict the mode of occurrence of the following metals. (i) Highly rea...

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  3. Which of the following ores can be concentrated by magnetic separation...

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  4. Why is the reduction of a' metal'oxide easier if the metal formed is i...

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  5. What is Ellingham diagram?

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  6. Name the constituents of the following-alloys? (i) Bronze,ii)stainless...

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  7. Name the electrolytic process used for the extraction of aluminium? Wh...

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  8. Give the different steps involved in metallurgy

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  9. Prudict the mode of occurrence of the following metals. (i) Highly rea...

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  10. Giving appropriate examples (at least three) explain how the reactivit...

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  11. Explain the terms-(1) Quenching (2) Annealing (3) Tempering

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  12. Name three metals.which occur in nature miainly as oxide ores. Name on...

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  13. What chemical principle is involved in choosing a reducing agent for g...

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  14. Describe the principle of extraction of each of the following (b) Zn ...

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  15. Discuss some of the factors, which need consideration before deciding ...

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  16. Which of the folllowing benefaction processes is used for the mineral ...

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  17. The impurities associated with the ore after mining are collectively c...

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  18. In which of the folllowing minerals, aluminium is not present?

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  19. The process in which metal oxide is reduced to metal by Al is called

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  20. During smelting, the additional substance added, which combines with i...

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