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Which of the following statements are co...

Which of the following statements are correct regarding metallurgy of iron ?

A

Coke reduces `FeO` to `Fe` above `1073 K`

B

`CO` reduces `Fe_(2)O_(3)` to `FeO` below `1073 K`

C

Coke reduces `Fe_(2)O_(3)` to `FeO` above `1073 K`

D

Coke reduces `Fe_(2)O_(3)` to `FeO` above `1073 K`.

Text Solution

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The correct Answer is:
A, B
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CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Multiple Correct)
  1. The etraction of metals from oxide ores involves

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  2. According to Ellingham diagram the oxidation reaction of carbon and ca...

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  3. Which of the following statements are correct regarding metallurgy of ...

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  4. The major role of flourspar, CaF(2) which is added in small amount in ...

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  5. Which is correct process-mineral group in metallurgical extraction ?

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  6. Tempering of steel

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  7. Out of the following reduction processes : (i) Fe(2)O(3) + 3C rarr 2...

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  8. Out of the following matals that cannot be obtained by electrolysis of...

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  9. Silver containing lead as an impurity is not purified by

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  10. Select the correct statements for Ellingham diagram.

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  11. Which of the following statements is/are correct ?

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  12. Which of the following pairs consists of ore the same metal ?

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  13. Which of the following metal oxides are reduced by self-reduction meth...

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  14. Disadvantages of using carbon as a reducing agent :

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  15. Select the correct statements :

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  16. Froth flotation process used for the concentration of sulphide ore.

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  17. Which of the following steps are involved in hydrometallurgical proces...

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  18. The reduction of an oxide by aluminium is not called

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  19. For the pyrometallurgical method used for the extraction of copper fro...

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  20. In Fe extraction, the roasting is carried out because

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