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Cupellation process is used in the metal...

Cupellation process is used in the metallurgy of

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MODERN PUBLICATION-METALS AND NON-METALS-EXERCISE
  1. Name the varioius processes used for refining of metals. Which method ...

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  2. How are metaloids different from metals? Name a metalloid.

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  3. Cupellation process is used in the metallurgy of

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  4. The metals Na, k and Ca react with hydrogen to form hydride but other ...

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  5. Give reasons for the following: Aluminium easily combines with oxygen ...

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  6. Give reasons for the following: Dried fruit plastic bags sold in the m...

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  7. Discuss briefly the following: Radioactive wastes

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  8. Discuss briefly the following: Ultraviolet B

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  9. Discuss briefly the following: Ultraviolet B

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  10. Give reasons for the following: Gold and silver often occur in native ...

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  11. Give reasons for the following: Blue colour of copper sulphate solutio...

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  12. Give reasons for the following: Sodium metal is stored under kerosene ...

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  13. Give reasons for the following: Silver does not displace hydrogen from...

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  14. Write a short notes on: Calcination.

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  15. Write a short notes on: Thermite process.

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  16. Write a short notes on: Froth floatation process.

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  17. An ore on heating in air from sulphur dioxide. Name the process than c...

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  18. Distinguish between: alloy and amalgam

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  19. What is difference between minerals and ores?

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  20. Distinguish between roasting and calcination. Which of these two is us...

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