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The scientific and technological process used for isolation of the metal from its ores is known as metallurgy. Name the method used for removing gangue from sulphide ores.

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Froth floatation method
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A N EXCEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Match the items of Column I with items of Column II

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

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

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

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  5. Give two examples for alloy

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

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

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

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  9. Explain the 'froth' floatation process'

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

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

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  12. Explain the 'froth' floatation process'

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

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

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

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

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

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

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  19. Leaching is a process of concentration of ores. Explain the leaching o...

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  20. Which of the following is not an Ore of Iron? Haematite,Magnetite,Mala...

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