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Which of the following reaction taking p...

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

A

CaCO3 -> CaO+CO2

B

2 C+O2 -> 2 CO

C

C+O2 ->CO2

D

Fe2O3+3CO -> 2 Fe+3 CO2

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The correct Answer is:
A
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V PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Extraction of zinc from zinc blende is achieved by

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

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  3. Silver containing lead as an impurity is purified by

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  4. During electrolytic refining of copper, some metals present as inpurit...

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  5. Blister copper is

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  6. In blast furnace, iron oxide is reduced by

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  7. One of the following metals forms a volatite compoụd and this property...

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  8. In electrolytic refining of metals, the impure metal is made, the anod...

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  9. Electrometallurgy is used for the reduction of Cu Fe Na Ag

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  10. Which of the following statements, about the advantage of roasting of ...

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  11. Delta G^circ' Vs. T plot in the Ellingham's diagram slopes downward fo...

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  12. When compared to the 'Delta G^circ' for the formation of 'Al2 O3', the...

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  13. Consider the following reaction at 1000^circ C (A). Zn((s)) + 1 / 2 O...

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  14. Identify the reaction that does not take place in a blast furnace 2 Fe...

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  15. Which of the following reaction taking place in the blast furnace duri...

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  16. "Native silver metal forms a, water soluble complex with a dilute aque...

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  17. Zone refining has been employed for preparing ultrapure samples of

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  18. The method of zone refining of metals is based on the principle of

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  19. Among the metals 'Cr', 'Fe, Mn, Ba' and 'Mg', the one that cannot.be ...

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  20. Inner layer of blast furnace is made of

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