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Match the columns:...

Match the columns:

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BAL BHARTI-METALLURGY-Exercise
  1. The non-metal having electrical conductivity

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  2. Name the following : The reagent that dissolves noble metals.

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  3. Match the columns:

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  4. Identify the pairs of metals and their ores from the following. {:("...

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  5. Answer the following questions: Explain the following terms: Metallur...

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  6. Explain the terms. Ores

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  7. Explain the terms. Minerals

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  8. Explain the terms. Gangue

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  9. Give scientific reasons: Lemon or tamarind is used for cleaning copp...

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  10. Generally the ionic compounds have high melting points

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  11. Give scientific reasons: Sodium is always kept in kerosene

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  12. Give scientific reasons for the following: Pine oil is used in the fr...

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  13. Anodes need do be replaced from time to time during the electrolysis o...

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  14. Explain the following: When a copper coin is dipped in silver nitrat...

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  15. Explain the following: The electronic configuration of metal A is 2...

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  16. Draw a neat and labelled diagram Magnetic separation method

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  17. Draw a neat and labelled diagram Froth floatation method

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  18. Draw a neat labelled diagram. Electrolytic reduction of alumina.

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  19. Draw a neat and labelled diagram Hydraulic separation

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  20. Write chemical equation for the following events: Aluminium comes in...

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