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The main reactions occurring in blast fu...

The main reactions occurring in blast furnace during extraction of iron from haematite are ___________ .

A

`Fe_2O_3+3 CO rarr 2Fe+ 3CO_2`

B

`FeO + SiO_2 rarr FeSiO_3`

C

`Fe_2O_3+3 C rarr 2Fe + 3CO`

D

`CaO +SiO_2 rarr CaSiO_3`

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Which of the following reactions occur during calcination?

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  2. For the metallurgical process of the ores calcined ore can be reduced ...

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  3. The main reactions occurring in blast furnace during extraction of iro...

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  4. In which of the following method of purification, metal is converted t...

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  5. Which of the following statements are correct ?

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  6. Give the preparation of chlorine.

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  7. Match the items of Column I with items of Column II and assign the cor...

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  8. Match the items of Column I with items of Column II and assign the cor...

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  9. Match items of Column I with the items of Column II and assign the cor...

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  10. Match items of Column I with the items of Column II and assign the cor...

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  11. Match items of Column I with the items of Column II and assign the cor...

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  12. In the following questions a statement of assertion followed by a stat...

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  13. Assertion : Zirconium can be purified by Van Arkel method. Reason : ...

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  14. Assertion : Sulphide ores are concentrated by Froth Flotation method. ...

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  15. Assertion : Zone refining method is very useful for producing semicond...

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  16. Assertion : Hydrometallurgy involves dissolving the ore in a suitable ...

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  17. Why is pine oil used in froth floatation method?

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  18. Which is better reducing agent at temperature 983 K, C or Co?

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  19. Define fauna.

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  20. How does adsorption of gases on solids depend upon: Temperature?

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