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From the Ellingham graphs on carbon, whi...

From the Ellingham graphs on carbon, which of the following statements is false ?

A

`CO_2` is more stable than CO at less than 983 K

B

CO reduces `Fe_2O_3` to Fe at less than 983 K

C

CO is less stable than `CO_2` at more than 983 K

D

CO reduces `Fe_2O_3` to Fe in the reduction zone of blast furnace.

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. According to Ellingham diagram, the oxidation reaction of carbon to c...

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  2. formula of copper sulphate

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  3. From the Ellingham graphs on carbon, which of the following statements...

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  4. The function of potassium ethyl xanthate in froth floatation process i...

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  5. Magnetic separation is used in the concentration of: Copper pyrites, C...

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  6. When limestone is heated, CO2 is given off. The metallurgical operatio...

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  7. The statement that is not correct is

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  8. Match the metal in Column I with the ores in Column II

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  9. Match the extraction process in Column I with the metal in Column II.

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  10. Match the species given in Column I that are present in the ore(s) giv...

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  11. In the extraction of chlorine from brine .

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  12. When copper ore is mixed with silica, in a reverberatory furnace coppe...

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  13. Which of the following reactions is an example of auto reduction ?

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  14. A number of elements are available in earth’s crust but most abundant ...

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  15. Zone refining is based on the principle that .

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  16. In the extraction of copper from its sulphide ore, the metal is formed...

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  17. During the electrolysis of NaCl solution, the gas liberated at the ano...

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  18. An ore of aluminium is

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  19. Electrolytic refining is used to purify which of the following metals ...

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  20. Extraction of gold and silver involves leaching the metal with CN^- io...

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