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List three metals that are found in natu...

List three metals that are found in nature in uncombined form.

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. Do you know how are the names of certain families of periodic table de...

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  2. List three metals that are found in nature as oxide ores.

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  3. List three metals that are found in nature in uncombined form.

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  4. Write a note on dressing of ore in metallurgy.

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  5. What is concentration or dressing?

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  6. How to choose a physical method in enriching of the ore?

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  7. Explain the process of hand picking.

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  8. Write about the given process : Hydrolic Washing,

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  9. What is the role of depressant in froth floatation?

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  10. Draw the diagram showing: Magnetic separation.

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  11. How do metals occur in nature? Give some examples for any two types of...

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  12. When do we use magnetic seperation method for concentration of an ore?...

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

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  14. Draw the diagram showing: Froth floatation

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  15. Draw the diagram showing: Magnetic separation.

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  16. Draw a neat diagram of Reverberatory furnace and label it neatly.

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  17. Draw the diagram of the furnace, which is generally used for roasting.

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  18. Magnesium is an active metal. If it occurs as a chloride in nature, wh...

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  19. Mention two methods which produce very pure metals from impure metals.

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  20. Which method do you suggest for extracting of high reactivity metals?

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