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The method of concentrating the ore whi...

The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

A

levigation

B

leaching

C

magnetic separation

D

liquifaction

Text Solution

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The correct Answer is:
A
levigation
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DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
  1. German silver is an alloy of

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  2. Steel contains carbon

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  3. The method of concentrating the ore which makes use of the differenc...

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  4. Magnesium is extracted electrolysing fused magnesium chloride containi...

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  5. AgCl on fusion with sodium carbonate, gives :

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  6. Highly electropositive metal(s) can not be commercially extracted by c...

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  7. Choose the correct option the code regarding roasting process. (I) I...

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  8. Froth floatation process used for the concentration of sulphide ore :

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  9. Which of the following processes involve the roasting process ?

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  10. In the froth flotation process for benefication of ore, the ore partic...

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  11. Which of the following statement is correct?

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  12. Froth floatation process is based on .

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  13. Before introducing FeO in blast furance, it is converted to Fe(2)O(3) ...

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  14. Electrolytic reduction method is used fro the extraction of

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  15. Calcination is used in matallurgy for removal of

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  16. Heating of pyrites in air for oxidation of sulphur is called

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  17. Which one of the furnaces among the following can produce the highest ...

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  18. Furances are lined with calcium oxide as

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  19. Roasting is generally done in case of the

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  20. Aluminothermic process is used for the extraction of metals, whose oxi...

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