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(D) The concentration of an ore is the process of removing gangue from the ore. The common methods used are:$1$. Hydraulic washing (gravity separation

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All of the above

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(D) The concentration of an ore is the process of removing gangue from the ore. The common methods used are:$1$. Hydraulic washing (gravity separation): Based on the difference in densities of the ore and gangue.$2$. Magnetic separation: Used when either the ore or the gangue is magnetic.$3$. Froth flotation process: Used for sulphide ores based on the difference in wetting properties of the ore and gangue with oil and water.$4$. Leaching: Chemical method used when the ore is soluble in a suitable solvent.

What are the various methods used for the concentration of an ore?

Similar Questions

Which one of the following is not a method of concentration of metals?

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The methods $NOT$ involved in the concentration of ore are:
$A$. Liquation
$B$. Leaching
$C$. Electrolysis
$D$. Hydraulic washing
$E$. Froth flotation
Choose the correct answer from the options given below:

In metallurgy,the term "gangue" is used for:

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