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Out of C and CO, which is a better reduc...

Out of C and CO, which is a better reducing agent at 673 K?

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R G PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE
  1. What is copper matte?

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  2. Why is the extraction of copper from pyrites more difficult than that ...

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  3. Out of C and CO, which is a better reducing agent at 673 K?

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  4. What is an Ellingham diagram?

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  5. What is the function of limestone in the extraction of iron?

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  6. Though scrap zinc is more reactive than scrap iron,iron is preferred f...

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  7. Write the reaction when silver is leached with KCN.

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  8. Write the principle of liquation?

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  9. Which process of refining is usefull to get ultrapure semiconductor el...

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  10. What is eluent?

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  11. Write the composition of German Silver.

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  12. Which is the purest form of commercial iron?

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  13. Describe the role of SiO2 in the extraction of Copper from Copper matt...

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  14. Why Copper matte is put in Silica lined converter?

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  15. What does a steep increase in the slope of a line an Ellingham diagram...

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  16. Name the process by which an ore of tin containing FeCrO4 in concentra...

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  17. Write two important ores each from iron & copper.

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  18. Describe the principle of froth flotation process.

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  19. Write the reactions involved in leaching process of alumina from bauxi...

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  20. Giving example differentiate between "roasting"& calcination.

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