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Extraction of chlorine from brine is bas...

Extraction of chlorine from brine is based on

A

`DeltaG^(@)` for the overall reaction is negative

B

`DeltaG^(@)` for the overall reaction is positive

C

`E^(@)` for overall reaction has negative value

D

`E^(@)` for overall reaction has positive value

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In the extraction of chlorine by electrolysis of brine

ALLEN-METALLURGY-EXERCISE -04
  1. In which of the following method of purification, metal is converted t...

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  2. Which of the following statements are correct?

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  3. Extraction of chlorine from brine is based on

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  4. Why is an external emf of more than 2.2 V required for the extracation...

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  5. At temperature above 1073K, coke can be used to reduce FeO to Fe. How ...

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  6. Impurities of sulphur, silicon and phosphorus can be removed from cast...

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  7. How is copper extracted from low grade copper ores ?

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  8. Write two basic requirements for refining of a metal by Mond's process...

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  9. Although carbon and hydrogen are better reducing agents but they are n...

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  10. How do we separate two sulphide ores by froth floatation method ? Expl...

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  11. The purest form of iron is prepared by oxidising impurities from cast ...

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  12. The mixture of compounds A and B is passed through a column of Al(2)O(...

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  13. Why is sulphide ore of copper heated in a furnance after mixing with ...

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  14. Sulphdies ores are converted to oxides before reduction . This is expl...

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  15. Which method is used for refining Zr and Ti ? Explain with equation.

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  16. What should be the considering during the extraction of metal by elect...

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  17. What is the role of flux in metallurgical processes?

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  18. How are metals used as semiconductors refined ? What is the principle ...

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  19. Write down the reaction taking place in blast furnance related to the ...

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  20. Give two requirements for vapour phase refining.

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