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The following questions relate to the ex...

The following questions relate to the extraction of aluminium by electrolysis :
Explain why is it necessary to renew the anode periodically.

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ICSE-METALLURGY-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. The following questions relate to the extraction of aluminium by elect...

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  2. The following questions relate to the extraction of aluminium by elect...

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  3. The following questions relate to the extraction of aluminium by elect...

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  4. The main ore used for the extraction of iron is: (a)Haematite (b)Ca...

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  5. Heating an ore in a limited supply of air or in the absence of air at ...

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  6. Aluminium powder is used in thermite welding because :

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  7. State the main components of the following alloys: Brass

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  8. State the main components of the following alloys: Duralumin

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  9. State the main components of the following alloys: Bronze

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  10. Name the The property possessed by metals by which they can be bea...

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  11. Name the A compound added to lower the fusion temperature of elect...

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  12. Name the The ore of zinc containing its sulphide.

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  13. This is not an alloy of copper :

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  14. Give appropriate scientific reasons for the following statements: Z...

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  15. For each of the substance listed below, describe the role played in th...

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  16. Explain why : In the electrolysis of alumina using the Hall Heroult...

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  17. Explain why : Iron sheets are coated with zinc during galvanization.

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  18. The two main metals in Bronze are :

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  19. Identify the term/substance of the following: The method used to separ...

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  20. (i)Name the solution used to react with Bauxite as a first step in obt...

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