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Mention two methods which produce very p...

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

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. Draw the diagram of the furnace, which is generally used for roasting.

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

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

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

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  5. Explain thermite process and mention it's applications in our daily li...

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  6. Where do we use handpicking and washing methods in our daily life? Giv...

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  7. The impurity present in the ore is called as:

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  8. Which of the following is carbonate ore?

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  9. Which of the following is the correct formula of gypsum?

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  10. The oil used in froth flotation process is

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  11. Froth flotation is the method used for purification of-----------ore.

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  12. Galen is an ore of?

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  13. The metal that occurs in the native form is?

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  14. Most abundant metal in the earth's crust is

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  15. The reducing agent in thermite process is?

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  16. The purpose of smeltimg an ore is to---------it.

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  17. Suggest an experiment to prove that the presence of air and water are ...

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  18. Write any one precautions in doing the experiment chromatography.

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

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  20. How do you classify ores based on their formula?

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