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What is the role of silica in the metall...

What is the role of silica in the metallurgy of copper.

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ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (SHORT ANSWER QUESTIONS)
  1. (a) Which solution is used for the leaching of silver metal in the pr...

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  2. Which of the following ores can be concentrated by froth floatation me...

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  3. What is the role of silica in the metallurgy of copper.

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  4. Name the method used for removing gangue from sulfide ores.

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  5. How is wrought iron different from steel?

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  6. Name the principal ore of aluminium. Explain the significance of leach...

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  7. Predict the modes of occurrence of the following three types of metals...

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  8. Name the chief forms of the occurrence of the following in the earth's...

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  9. Discuss some of the factors which need consideration before deciding o...

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  10. What is the difference between a rock and a mineral ?

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  11. How do elements generally occur?

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  12. What is meant by minerals and ores ? Are all minerals ores?

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  13. Name the methods used for the concentration of ores.

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  14. What is calcination and roasting ?

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  15. Giving appropriate examples (at least three), explain how the reactivi...

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  16. The choice of a reducing agent in a particular case depends upon therm...

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  17. Name three metals which are obtained by the reduction of their oxides ...

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  18. Which methods would you recommed for the purification of impure metals...

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  19. Distinguish: Slag and flux

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  20. Distinguish: Gravity and floatation process

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