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How do you know the reactivity of metals...

How do you know the reactivity of metals with chlorine decreases from top to bottom?

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. Why do we add impurities to electrolyte during electrolytic extraction...

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  2. How do various metals in activity series react with chlorine on heatin...

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  3. How do you know the reactivity of metals with chlorine decreases from ...

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  4. Is silver is mineral or Ore? Justify your answer.

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  5. What is Gangue?

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  6. Where are used the thermite process in daily life?

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  7. Give any two examples of ores with their formulas.

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  8. What happens if iron articles are exposed to moist air? Write the chem...

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  9. Write the names and formulae of any two ores of iron

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  10. What is Gangue?

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  11. Silicon is metalloid. How do you support this?

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  12. Mention the most important metals and non-metals from the following pr...

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  13. Mention the most important metals and non-metals from the following pr...

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  14. Mention the most important metals and non-metals from the following pr...

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  15. Mention the most important metals and non-metals from the following pr...

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  16. Mention the most important metals and non-metals from the following pr...

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  17. Mention the most important metals and non-metals from the following pr...

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  18. Give an example of auto reduction of sulphise ores.

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  19. Explain the process of hand picking.

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  20. What is the role of washing in enriching the ore?

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