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How is zinc obtained from zinc blende? G...

How is zinc obtained from zinc blende? Give Chemical reactions.

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MODERN PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. What is malachite? Write down its formula.

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  2. Fill in the blanks- metal alloy is used in marine engineering.

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  3. How is zinc obtained from zinc blende? Give Chemical reactions.

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  4. Fill in the blanks- is the ore from which aluminium metal is extracte...

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  5. How is Ni purified by Mond’s process?

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

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

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

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  9. Name the method used for refining of Zirconium.

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

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

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

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

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

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

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

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

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

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

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

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