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State the role of silica in the metallur...

State the role of silica in the metallurgy of copper.

A

`1500-1600^@ C`

B

`400-700^@ C`

C

`800-1000^@ C`

D

`1200-1500^@ C`

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. If C and D are two events such that CsubD""a n d""P(D)!=0 , then the c...

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  2. In aluminothermic process, Al is used as

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  3. State the role of silica in the metallurgy of copper.

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  4. In the electrolytic refining of zinc, ............

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  5. According to Ellingham diagram, the oxidation reaction of carbon to c...

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  6. formula of copper sulphate

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

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

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

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

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  11. The statement that is not correct is

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

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

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

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  15. In the extraction of chlorine from brine .

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

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

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

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  19. Zone refining is based on the principle that .

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

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