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The reason for floating of ore particles...

The reason for floating of ore particles in concentration by froth floatating process is that

A

They are light

B

They are insoluble

C

Theya re charged

D

They are hydrophobic

Text Solution

Verified by Experts

The correct Answer is:
D
Potassium or sodium ethyl xanthate get attached with the particle of the sulphide ore and thus make them water repellant i.e., hydrophobic
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PHYSICS WALLAH-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Level II
  1. mineral whose formula is

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  2. Froth floatation process for the concentration of sulphide ore is an i...

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  3. The reason for floating of ore particles in concentration by froth flo...

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  4. Slag formed during smelting process in the extraction of Fe (from haem...

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  5. Leaching the silver and gold metal with CN^(-)

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  6. A sulphide ore like ZnS is first roasted into its oxide prior to reduc...

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  7. Metallergy is the process of

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  8. The rocky and siliceous matter associated with an ore is called:

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  9. Which of the following is not an ore of aluminium?

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  10. Chemical leaching is useful in the concentration of:

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  11. Process of heating ore is air to remove sulphur is:

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  12. When limestone is heated strongly, it gives off CO(2). In matallurgy t...

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  13. Which of the following metals is obtained by the self reduction proces...

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  14. Self-reduction of Cu(2)S to Cu can be carried out in.

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  15. Identify the metal M whose extraction is based on the following reacti...

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  16. Cyanide proces is used for the extraction of

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  17. Ellingham diagram represents:

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  18. Which iof the following reactions represents the self-reduction proce...

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  19. When lead nitrate is heated it breaks down into lead monoxide, nitroge...

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  20. The iron obtained from the blast furnace is called:

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