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Which of the following is the ore of zin...

Which of the following is the ore of zinc?

A

Bauxite

B

Magnetite

C

Malachite

D

Calamine

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. Outline the principle of refining of metals by electrolytic refining.

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  2. How does the FeO impurity present in sulphide ore of copper is removed...

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  3. Which of the following is the ore of zinc?

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  4. Name the method used for refining of Zirconium.

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  5. Name the method of refining of metals such as germanium.

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  6. In the extraction of Al, impure Al2O3 is dissolved in conc. NaOH to fo...

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  7. What is the role of coke in the extraction of iron from its oxides?

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  8. What chemical process is used for obtaining a metal from its oxide?

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  9. Outline the principle of refining of metals by electrolytic refining.

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  10. Outline the principles involved in the following methods of refining o...

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  11. Explain the role of the following : SiO2 in the extraction of copper.

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  12. Describe the role of the following: Iodine in the refining of titanium...

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

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  14. Describe the principle involved in the following process of metallurgy...

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  15. Outline the principle of refining of metals by electrolytic refining.

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  16. Outline the principles involved in the following methods of refining o...

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  17. Outline the principles involved in the following methods of refining o...

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  18. Explain the method of froth floatation process of concentrating sulphi...

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  19. Which methods are usually employed for purifying Nickel.

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  20. Describe the role of the following : NaCN in the extraction of silver ...

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