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The iron obtained from the blast furnace...

The iron obtained from the blast furnace is called:

A

Wrought iron

B

Cast iron

C

Pig iron

D

Steel

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The correct Answer is:
C
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Assertion: Limestone addes in the blast furnace decomposes to give CaO which forms slag in molten state and separates out from iron Reason : The iron obtained from the blast furnace contains about 4% carbon and many impurities like S,P,Si, Mn, etc.

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matte obtained from the blast furnace is charged into a silica-lined converter. Some silica is also added, and a hot air blast is blown into the mixture to obtain blister copper, which is purified by electrorefining. The chemical formula of copper pyrites is.

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matte obtained from the blast furnace is charged into a silica-lined converter. Some silica is also added, and a hot air blast is blown into the mixture to obtain blister copper, which is purified by electrorefining. Matte is a mixture of

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matte obtained from the blast furnace is charged into a silica-lined converter. Some silica is also added, and a hot air blast is blown into the mixture to obtain blister copper, which is purified by electrorefining. The chemical composition of the slag formed during smelting is.

Extraction of copper is done using copper pyrites. After roasting, the ore is mixed with silica and coke and then smelted in a blast furnace. The matte obtained from the blast furnace is charged into a silica-lined converter. Some silica is also added, and a hot air blast is blown into the mixture to obtain blister copper, which is purified by electrorefining. Coke is added during smelting to.

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The inorganic essential elements which are obtained from the soil are called as

Ferric oxide blast furnace is reduced by

Write the complete set of reactions occuring in the zone of reduction in the blast furnace, in the metallurgy of iron.

AAKASH INSTITUTE ENGLISH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Assignment (Section-C) Previous Years Question
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  2. Which of the following does not contain Mg?

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  3. Carborundum is

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  4. In the basic Bessemer process for the manufacture of steel, the lining...

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  5. Mond's process is used for

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  6. Which process of purification is represented by the following reaction...

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  7. Which of the following sulphides when heated strongly in air gives the...

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  8. The most important ore of tin is

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  9. Heating of ore in presence of air to remove sulphure impurities is cal...

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  10. The process used for the extraction of sodium is called :

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  11. Among the metals Cr,Fe,Mn,Ti,Ba, and Mg, the one that cannot be obtain...

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  12. Chemical used as a depressant in separatin ZnS from PbS in froth-float...

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  13. The ore that contains both iron and copper is: a. malachite b. dolomit...

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  14. To dissolve argentite ore which of the following is

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  15. The iron obtained from the blast furnace is called:

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  16. How are metals used as semiconductors refined ? What is the principle ...

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  17. Which of the following oxide is least stable?

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  18. The underlying of blast furnace is made of

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  19. Roasting of sulphides gives the gas X as a by-product. This is a colou...

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  20. Which of the following mineral contains calcium as well as magnesium ?

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