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The main reaction occuring in blast furn...

The main reaction occuring in blast furnance during extraction of iron from haematite ore …..

A

`Fe_(2)O_(3) +3CO rarr 2Fe +3CO_(2)`

B

`FeO +SiO_(2) rarr FeSiO_(3)`

C

`Fe_(2)O_(3) +3C rarr 2Fe +3CO`

D

`CaO + SiO_(2) rarr CaSiO_(3)`

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The main reactions occuring in blast furnace during extraction of iron from haematite ore…..

The main reaction occuring in blast furnace during the extraction of iron form haematite is

Which furnace is used for the extraction of iron from haematite ?

Which of the following reactions taking place in the blast furnace during extraction of iron is endothermie ?

The reaction (s) which does (do) not occur in the reduction zone in the extraction of iron from haematite ore is (are)

(ix) Slag coming out at the bottom of a blast furance during extraction of iron form its ore is used in making.

Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.

Write down the reactions taking place in different zones in the blast furnace during the extraction of iron.

During extraction of iron from haematite, the flux used is _______.

The chief ores of iron are haemalite (Fe_2O_3) , magnetite (Fe_3O_4) , limonite (FeO(OH)) and siderite (FeCO_3) .In the extraction of iron , oxides ores of iron, after concentration through calcination/roasting in reverberatory furnace are mixed with lime stone and coke and fed into a blast furnace. Here, the oxide is reduced to the metal. Which of the following is obtained as a slag in the extraction of iron from haematite ore ?

ALLEN-METALLURGY-EXERCISE -04
  1. Which of the following reaction occur during calcination ?

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  2. For the meallurgical process of which of the ores calcined ore can be ...

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  3. The main reaction occuring in blast furnance during extraction of iron...

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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. Extraction of chlorine from brine is based on

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  7. Why is an external emf of more than 2.2 V required for the extracation...

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  8. At temperature above 1073K, coke can be used to reduce FeO to Fe. How ...

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  9. Impurities of sulphur, silicon and phosphorus can be removed from cast...

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  10. How is copper extracted from low grade copper ores ?

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  11. Write two basic requirements for refining of a metal by Mond's process...

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  12. Although carbon and hydrogen are better reducing agents but they are n...

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  13. How do we separate two sulphide ores by froth floatation method ? Expl...

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  14. The purest form of iron is prepared by oxidising impurities from cast ...

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  15. The mixture of compounds A and B is passed through a column of Al(2)O(...

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  16. Why is sulphide ore of copper heated in a furnance after mixing with ...

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  17. Sulphdies ores are converted to oxides before reduction . This is expl...

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  18. Which method is used for refining Zr and Ti ? Explain with equation.

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  19. What should be the considering during the extraction of metal by elect...

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  20. What is the role of flux in metallurgical processes?

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