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Pine oil is generally added in the froth...

Pine oil is generally added in the froth floatation process. Explain.

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In the froth flotation process, sulphide ore is to be separated from gangue or earthy impurities. The impure ore is mixed with water and pine oil in a tank and steam is passed through it. Now, gangue particles are wetted by water while the ore by oil. With the help of steam, the sulphide ore rises in the form of a foam while the gangue impurities settle at the bottom of the container.
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Pine oil is used in the froth floatation process.

Pine oil is used in the froth floatation process.

Knowledge Check

  • In the froth floatation process, pine oil

    A
    increases the surface tension of the solution.
    B
    decreases the surface tension of the solution.
    C
    does not affect the surface tension of the solution.
    D
    acts as a collector.

  • In the froth floatation process, pine oil

    A
    increases the surface tension of the solution.
    B
    decreases the surface tension of the solution.
    C
    does not affect the surface tension of the solution.
    D
    acts as a collector.

  • In the froth floatation process, pine oil

    A
    increases the surface tension of the solution.
    B
    decreases the surface tension of the solution.
    C
    does not affect the surface tension of the solution.
    D
    acts as a collector.

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    Which of the following statements is correct about the role of substances added in the froth floatation process ?

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