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Why sulfide ores are usually concentrate...

Why sulfide ores are usually concentrated by froth floatation process ?

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Sulfide ores being lighter are preferrentially wetted by oil and rise to the top in the form of froth while heavier gangue particles are wetted by water and stay at the bottom.
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Sulphide ore of metal are usually concentrated by froth flotation process .Which one of the following sulphide3 ores after an exception and is contrated by electrical leaching?

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Whch ore can be best concentrated by froth flotation process ?

Why is thie that only sulphide ores are connectrated by forth floatation process ?

Statement - 1 : Sulphide ores are concentrated by froth floatation process. And Statement - 2 : Pine oil acts as a frothing agent in froth floatating process.

Which of the following sulphide ore is not concentrated by froth-floatation process ?

The Ores that are concentrated by Froth flotation method

By froth flotation process, carbonate and hydroxide ores are concentrated. In froth flotation process, pine oil is used as it preferentially wets the gangue particles.

ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (VERY SHORT ANSWER QUESTIONS)
  1. Alumina is concentrated by dissolving in concentrated solution of NaOH...

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  2. What is the role of collectors in froth floatation process? Name two...

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

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  4. What is Ellingham diagram?

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

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

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  7. Which kind of ores undergo self reduction ?

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  8. What are refractory materials?

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

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

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  11. How would you purify a metal like Copper?

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

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

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

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  15. What is the percentage of carbon in steel?

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

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  17. What is the principle of chromatographic separation ?

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  18. Name the most important ore of aluminium.

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

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

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