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What is Ellingham diagram?...

What is Ellingham diagram?

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### Step-by-Step Text Solution: 1. **Definition of Ellingham Diagram**: The Ellingham diagram is a graphical representation that shows the temperature dependence of the stability of various compounds, particularly metal oxides and sulfides. 2. **Purpose of the Ellingham Diagram**: The primary purpose of the Ellingham diagram is to evaluate the ease of reduction of metal oxides and sulfides. It helps in understanding which metal oxides can be reduced to their respective metals at a given temperature. ...
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ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (VERY SHORT ANSWER QUESTIONS)
  1. What is the role of collectors in froth floatation process? Name two...

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  2. Why sulfide ores are usually concentrated by froth floatation process ...

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  3. What is Ellingham diagram?

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  4. In terms of Ellingham diagram state why Al2O3 cannot be reduced by chr...

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  5. Which reducing agent is used to reduce the oxides of less electroposit...

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  6. Which kind of ores undergo self reduction ?

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  7. What are refractory materials?

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  8. Why is MgO used for lining the inner surface of the furnace?

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  9. Indicate the temperature at which carbon can be used as a reducing age...

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  10. How would you purify a metal like Copper?

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  11. Name the purification method which involves vapour phase extraction.

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  12. Ultra pure silicon is needed by electronic industry. By which method o...

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  13. Name the three main varieties of iron. Which out of them is the purest...

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  14. What is the percentage of carbon in steel?

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  15. A crude metal is heated with iodine to form metal tetraiodide which is...

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  16. What is the principle of chromatographic separation ?

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  17. Name the most important ore of aluminium.

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  18. When bauxite ore contains considerable amount of silica as an impurity...

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  19. Name two alloys of aluminium and give their composition.

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  20. What is the composition of ignition mixture used in aluminothermy?

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