Question

The process of dressing of the ore which involves separation of ore & gangue due to preferential wetting.
(a) Magnetic separation
(b) Hydrolytic method
(c) Froth flotation method
(d) Chemical method

  • Metallurgy
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Answer

(c) Froth flotation method.

Explanation

This process separates ore from gangue based on differences in their surface properties, specifically their ability to adhere to air bubbles in a froth. The ore particles preferentially attach to the bubbles and rise, while gangue remains submerged.

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Give reasons for the following pertaining to Hall Herault’s process.
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