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What are the main constituents of German...

What are the main constituents of German silver.

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ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (SHORT ANSWER QUESTIONS)
  1. Name one chief ore each of copper and aluminium. Name the method used ...

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  2. What is slag? Give one example.

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  3. What are the main constituents of German silver.

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  4. Draw the Ellingham diagram for the formation of carbon monoxide. What ...

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  5. Which solution is used for the leaching of silver metal in the presenc...

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  6. (a) Which solution is used for the leaching of silver metal in the pr...

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

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

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

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  10. How is wrought iron different from steel?

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

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

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

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

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

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  16. How do elements generally occur?

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

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

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  19. What is calcination and roasting ?

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

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