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Question
Which among the following ores is concentrated by froth floatation?
Which among the following ores is concentrated by froth floatation?
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Solution
The correct option is C Galena
Froth floatation process depends on the wetting property of both ore particles and impurities. It is used for the concentration of sulphide ores.
∙ Ore particles along with impurities is poured into a mixture of oil and water.
∙ Ore particles are wetted by oil and floats as froth.
∙ Gangue particles is wetted by water and it settles down.
From the given ores, only galena - PbS is a sulphide ore.
Froth floatation process depends on the wetting property of both ore particles and impurities. It is used for the concentration of sulphide ores.
∙ Ore particles along with impurities is poured into a mixture of oil and water.
∙ Ore particles are wetted by oil and floats as froth.
∙ Gangue particles is wetted by water and it settles down.
From the given ores, only galena - PbS is a sulphide ore.
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