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In Hall's process of electrolytic reduct...

In Hall's process of electrolytic reduction of alumina . Name the Cathode .

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Cathode : Iron tank linked with graphite .
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SURA PUBLICATION-PERIODIC CLASSIFICATION OF ELEMENTS -ADDITIONAL QUESTIONS & ANSWERS ( VERY SHORT ANSWERS )
  1. What is meant by ductility ?

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  2. Complete the following reaction . Al2O3 underset(900-950^(@)C)over...

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  3. In Hall's process of electrolytic reduction of alumina . Name the Cath...

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  4. In Hall's process of electrolytic reduction of alumina . Name the Anod...

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  5. In Hall's process of electrolytic reduction of alumina . Name the elec...

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  6. What happen with aluminium is heated to 800^(@)C ?

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  7. What happens when aluminium is treated with dilute sulphuric acid ?

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  8. Give any three uses of aluminium.

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  9. Name the important ores of Copper .

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  10. What is the cathode , anode and electrolyte used in the electrolytic r...

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  11. What is anode mud ?

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  12. Copper vessels gets covered with a green layer . Explain .

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  13. Explain the action of dil. HNO3 with copper .

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  14. Write the ores of Iron with its chemical formula.

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  15. Name the process . Ore heated in the absence of air .

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  16. Name the process . Ore heated in the presence of excess of air .

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  17. Explain the action of heat on Iron .

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  18. Write the uses of Pig iron .

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  19. Iron when dipped in conc. HNO3 becomes chemically inert . Give reason...

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  20. Write any three uses of copper.

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