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The magnetite ore is...

The magnetite ore is

A

ferrous oxide

B

ferric oxide

C

ferric hyroxide

D

ferroso ferric oxide

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The correct Answer is:
D
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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. In the extraction of Fe from 'Fe2 O3' the reducing agent is

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  2. During the extraction of iron, slag produced is

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  3. The magnetite ore is

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  4. The ore having two different metal atom is

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  5. The most electropositive metals are isolated from their ores by

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  6. Which method of purification is represented by the equations. Ti(s)+2...

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  7. Vapour phase refining of nickel is carried out using

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  8. Mond's process is used for

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  9. Some metals occur in the native form because of their

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  10. The metals occuring in the form of their compounds in the earth's crus...

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  11. In metallurgy, flux is a substance used to convert

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  12. Carbon is used as a reducing agent to obtain metals from their ores. I...

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  13. Out of the following metals, the metal which cannot be obtained by ele...

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  14. Froth floatation process for the concentration: of ores'is an illistra...

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  15. Sulphide ores, of metáls are usually concentrated by froth floatation ...

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  16. Which of the following oxides carnot be reduced to metal by carbon?

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  17. The Oil used in the floatation method for the purification-of ores is

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  18. Froth floatation process may be used to increase the concentration of ...

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  19. Malachite is a mineral of

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  20. Electrolytic réduction method is used in the extraction of

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