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Match the items of Column I with items o...

Match the items of Column I with items of Column II

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The correct Answer is:
(i)-(b), (ii)-(d), (iii)-(a), (vi)-(e)
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A N EXCEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. All ores are minerals, but all minerals are not ores. Why?

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  2. Carbonate ores are usually subjected to calcination, while sulphide or...

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  3. Match the items of Column I with items of Column II

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  4. Why is reduction of a metal oxide easier if the metal formed is in liq...

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  5. The scientific and technological process used for isolation of the met...

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  6. The concept of DeltaG^@ of coupled reaction are used explain reduction...

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  7. Give two examples for alloy

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  8. Calcination and raosting are treatments in metallurgy before metal ext...

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  9. Match the items of Column I with items of Column II

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  10. Sulphide ores are concentrated by froth floatation process. Write the ...

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  11. Explain the 'froth' floatation process'

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  12. Name two metals which can be refined by van-Arkel Method.

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  13. Match the items of Column I with items of Column II

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  14. Explain the 'froth' floatation process'

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  15. What is the role of limestone (CaCo3) in the extraction of iron?

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  16. Monds process is used for refining of Ni and Van Arkel method is used ...

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  17. Which of the following is the ore of zinc?

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  18. There are servral methods for refining metals. Explain a method for re...

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  19. Metals are extracted from their ores. Among the following which metal ...

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  20. Carbonate ores are usually subjected to calcination, while sulphide or...

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