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Which furnace is used for the extrction ...

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

A

Reverberatory furnace

B

Blast furnace

C

Bessemer converter

D

Muffle furnace

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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 ?

AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Objective type Questions (One option is correct)
  1. Which of the following is incorrect w.r.t. metallurgy of iron in the b...

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  2. Which of the following has the lowest percentage of carbon in it?

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  3. Which furnace is used for the extrction of iron from haematite ?

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  4. Roasting of sulphide ore is generally performed in

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  5. The final stage of self reduction for the extraction of Cu is carried ...

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  6. Zinc is extracted from zinc oxide by its reaction with coke in

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  7. Which of the following metal is leached by Cyanide process

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  8. Poiling process is used for:

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  9. Impure zince, as collected from earthen clay retort, is called

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  10. During smelting, an additional substance is added which combines with ...

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  11. Sulphide ores of metals are usually concentrated by both floatation pr...

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  12. Heating pyrities in air to remove sulphur is called

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  13. Extraction of zince from zinc blende is achieved by

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  14. Extraction of copper from copper pyrites is achieved by

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  15. Which of the following metals is purified by distillation process ?

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  16. The method of zone refining is based on the priniciple of

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  17. Which of the following is not a method of purification of metals ?

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  18. Zone refining is used as a method of purification of metals which are

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  19. Which of the following is not a use of aluminimum ?

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  20. Which of the following is not a use of zinc ?

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