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What is the difference between roasting ...

What is the difference between roasting and calcination? Give one example for each.

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. What is meant by extraction of metals?

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  2. Write the chemical equations of thermite reactions.

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  3. What is the difference between roasting and calcination? Give one exam...

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  4. What is an ore? On what basis a mineral is chosen as an ore?

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  5. The results of reactions of metals A, B, C, D, E with different soluti...

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  6. The results of reactions of metals A, B, C, D, E with different soluti...

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  7. The results of reactions of metals A, B, C, D, E with different soluti...

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  8. Classify the following ores as oxides, sulphides, chlorides, carbonate...

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  9. How many stages are involved in the formation of urine ?

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  10. Show the reactivity of metals with oxygen, water, steam, dilute strong...

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  11. The extraction of metals from oxide ores involve

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  12. What are the different methods of concentration of ores?

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  13. How do you extract metals at the bottom of the activity series?

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  14. Write the process of extraction of metals belongs to : moderately reac...

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  15. Collect information about extraction of metals of low reactivity silve...

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  16. Explain purification or refining of crude metal.

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  17. Wrote the short notes on:distillation

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  18. Wrote the short notes on: poling

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  19. Write the short notes on:liquation

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  20. Wrote the short notes on:electrolysis

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