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Write about electrolysis of NaCl....

Write about electrolysis of NaCl.

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. Give some examples for corrosion.

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  2. What is 22 carat gold? Why it is preferred for making jewellery?

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  3. Write about electrolysis of NaCl.

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  4. Identify the metal present in the following Ores : Epsom salt,

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  5. Identify the metal present in the following Ores : Horn silver,

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  6. Identify the metal present in the following Ores : Cinnabar,

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  7. Identify the metal present in the following Ores : Galena

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  8. What is meant by extraction of metals?

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  9. Write the chemical equations of thermite reactions.

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

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

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

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

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

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

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

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

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  18. The extraction of metals from oxide ores involve

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

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

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