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  • Question 1
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    Sulphide ores are generally concentrated by

  • Question 2
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    Magnetic separation is used for increasing concentration of the following

  • Question 3
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    The substance added in water in the froth floatation process is

  • Question 4
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    For which ore of the metal, froth floatation method is used for concentration

  • Question 5
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    Cyanide process is used in the extraction of

  • Question 6
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    Cassiterite is concentrated by

  • Question 7
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    Bauxite ore is concentrated by

  • Question 8
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    In extraction of copper, we use

  • Question 9
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    Copper pyrites are concentrated by

  • Question 10
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    An ore like zinc blende is concentrated by

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