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Name the main method of purification emp...

Name the main method of purification employed for the purification of `Cu`, `Zn` and `Al`.

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Electrolytic refining
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AAKASH INSTITUTE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Try Yourself
  1. In some cases, Ellingham diagrams (graphs) show a bend. What do you re...

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  2. On Ellingham diagrams if two graphs intersect each other, what does th...

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  3. Name the four man zones of blast furnace in the extraction of Fe from ...

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  4. Write the complete set of reactions occuring in the zone of reduction ...

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  5. Coke can be used to reduce Cu(2)O. Explain it based on thermodynamic v...

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  6. What the impure copper collected from Bessemer converter commonly call...

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  7. Name the formulate themain ore from which zinc is extracted.

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  8. What is the impure form of zinc commonly known as ?

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  9. Name and formulate the reagent used for the leaching of argentite.

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  10. What is the hydrometallurgy of silver or gold commonly known as ?

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  11. Write the equation of the net reaction taking place in Hall Heroult el...

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  12. Name two metal which are purified by liquation method.

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  13. Name two metals which are purified by distillation method.

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  14. Impure tin contains SnO(2) as one of the impurities. Name the specific...

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  15. Impure metal 'A' is to be purified by electro-refining method. At whic...

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  16. Name the main method of purification employed for the purification of ...

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  17. Write two uses of zinc.

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  18. What are silver paint and german silver made of ?

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  19. Write some uses of wrought iron.

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  20. Name the metal which is used for galvanising iron.

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