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Which of the following reactions taking ...

Which of the following reactions taking place in the blast furnace during extraction of iron is endothermic .

A

`CaCO_(3) to CaO + CO_(2)`

B

`2C+O_(2)to 2CO`

C

`C+O_(2) to CO_(2)`

D

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

Text Solution

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The correct Answer is:
A
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DINESH PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-REVISION QUESTIONS FROM COMPETITIVE EXAMS.
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  2. deltaG^(o) vs T plot in the Ellingham's diagram slopes downaward for t...

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  3. Which of the following reactions taking place in the blast furnace dur...

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  4. Consider the following reaction at 1000^(@)C . (A) Zn(s) + 1/2 O2(g) ...

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  5. The ore having two different metal atoms is

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  6. Cassiterite is an ore of

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  7. Blister copper is

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  8. The magnetic ore is

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  9. When compared , deltaG^(o) for the formation of Al(2)O3 ,the deltaG^(o...

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  10. Which metal has a greater tendency to form metal oxide

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  11. Identify the reaction that does not take place in a blast furnace

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  12. Which one of the following ores is treated by chemical leaching

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  13. Auto reduction is employed in the metallurgy of

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  14. The ore that is concentrated by froth floatation process is

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  15. In aluminium extraction by Bayer process, alumina is extracted from ba...

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  16. Bauxite is made up of Al(2)O3 + SiO2 + TiO2 + Fe(2)O3 . This ore is tr...

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  17. When copper pyrites is roasted in excess of air, a mixture of CuO + ...

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  18. Bauxite ore is made up of Al(2)O3 + SiO2 + TiO2 + Fe(2)O3 . This ore ...

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  19. The auto reduction process is not used in the metallurgy of

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  20. The incorrect statement among the following is

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