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Outline the principles behind the refini...

Outline the principles behind the refining of metals by the following methods :
Zone refining method.

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This method is based on the principle that the impurities are more soluble in the melt than in the solid state of the metal.
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U-LIKE SERIES-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-SHORT ANSWER QUESTIONS
  1. Out of C and CO which is a better reducing agent for FeO : In the lo...

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  2. Out of C and CO which is a better reducing agent for FeO : In the up...

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  3. Outline the principles behind the refining of metals by the following ...

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  4. Outline the principles behind the refining of metals by the following ...

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  5. Name the method used for removing gangue from sulphide ores.

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  6. How is wrought iron different from steel?

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  7. Which solution is used for the leaching of silver metal in the presenc...

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  8. Out of C and CO, which is a better reducing agent at lower temperature...

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  9. Describe the principle involved in each of the following processes : ...

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  10. Describe the principle involved in each of the following processes : ...

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  11. Which methods are usually employed for purifying the following metals ...

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  12. Which methods are usually employed for purifying the following metals ...

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  13. Describe the principle controlling each of the following processes : ...

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  14. Describe the principle controlling each of the following processes : ...

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  15. Describe the principle controlling each of the following processes : ...

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  16. Describe the principle controlling each of the following processes : ...

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  17. How is chemical reduction different from electrolytic reduction ? Name...

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  18. How is chemical reduction different from electrolytic reduction ? Name...

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  19. Which is better reducing agent, C or CO at 710""^(@)C (983K)?

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  20. Explain the role of : Cryolite in the electrolytic reduction of alum...

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