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General Science: Biology and Chemistry
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The unwanted impurities like sand, rocky material, limestone, mica etc. present in an ore are called
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gangue
💡 Explanation:
Gangue is the term used in metallurgy to describe the worthless material (sand, clay, rock, limestone, mica) that surrounds or is mixed with the mineral ore. During ore processing, gangue is separated from the valuable ore through various beneficiation processes like crushing, grinding, and flotation.