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Question

Which one of the following ores is best concentrated by froth floatation method?

A
Galena
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B
Siderite
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C
Malachite
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D
Magnetite
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Solution

The correct option is A Galena
Sulphide ores are used in froth floatation method. As, Galena, also called lead glance, is the natural mineral form of lead(II) sulfide (PbS). It is the most important ore of lead.
Hence, Galena is concentrated by froth floatation method.

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