Metal ores are isolated from rock by taking advantage of differences in both physical and chemical properties. Cite examples given in the textbook where differences in physical properties are used.

Question

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The addition of oil to a slurry of metal sulfides is an example of using differences in physical properties, specifically in the process of froth flotation, where differences in hydrophobicity are exploited to separate metal ores from rock.

Metal Ores Are Isolated from Rock by Taking Advantage of Differences