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Question
True or False.
Leaching is based on the principle of preferential wetting of sulphide ores by oil and gangue by water.
True or False
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Solution
This statement is false.
Explanation:
The principle of preferential wetting of sulphide ores by oil and gangue by water is used in the froth flotation process, not in leaching.
Leaching is based on the selective dissolution of the ore in a suitable solvent.
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