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Observe the table and answer the following question: Which of the above metal's ore are concentrated by using magnetic separation ?

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VGS PUBLICATION-BRILLIANT-PRINCIPLES OF METALLURGY-EXERCISE
  1. Give an example with the chemical equation for the reduction of ores u...

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  2. Write two precautions to prevent corrosion of metals in your daily lif...

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  3. Observe the table and answer the following question: Which of the abov...

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  4. What are the preventive techniques used in corrosion of metals?

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  5. State the methods used for the purification of crude metals. Explain i...

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  6. Four metals A, B, C and D are in turn added to the following solutions...

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  7. Four metals A, B, C and D are in turn added to the following solutions...

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  8. Four metals A, B, C and D are in turn added to the following solutions...

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  9. N(2(g))+O(2(g))+"Heat"rarr 2NO((g)) What information do you get from...

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  10. Write an activity about how you conduct an experiment to show that mor...

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  11. The method suitable for concentration of the sulphide ores is

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  12. Define Metallurgy

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  13. What is the major source of metals?

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  14. What are minerals?

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  15. What is an ore?

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  16. Why do we call oxygen-sulphur group chalcogen family?

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  17. Arrange the following metals in descending order of their reactivity: ...

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  18. What is concentration or dressing?

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

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  20. Give an example for reduction of metal oxide with carbon.

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