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The chemical formula of copper pyrite is...

The chemical formula of copper pyrite is: CuFeS2, Cu2S, Cu2O, CuCO3.Cu(OH)2

A

`CuFeS_`

B

`Cu_2S`

C

`Cu_2O`

D

`CuCO_3.Cu(OH)_2`

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The correct Answer is:
A
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JMD PUBLICATION-GENEREAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Example
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  2. Fill in the blanks: All the ores are......

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  3. Name two ores of Cu and give chemical formula.

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  4. Name two principal ores and give chemical formula. Aluminium.

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  5. Name two principal ores and give chemical formula. Iron.

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  6. Give two ores of Zinc.

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  7. Write short note on magnetic separation.Name one ore which can be conc...

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  8. What is leaching ?

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  9. What is the role of leaching in the extraction of aluminium ? Write al...

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  10. Sulphide ores are concentrated by froth floatation process.

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  11. Define calcination and roasting.

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  12. What is smelting ?

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  13. State and explain the terms flux and slag.

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  14. Write chemical reactions taking place In the extraction of ADC from zi...

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

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  16. What is the role of cryolite in the metallurgy of aluminium ?

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  17. What is the role of graphite in the electrometallurgy of aluminium ?

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  18. Explain Mond’s process used for refining of nickel.

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  19. What is the principle of zone refining ?

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  20. Explain Van Arkel method.

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  21. Write a short note on electrolytic refining of copper.

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