Question

Why are all minerals not ores ?​

Answer 1

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all minerals are not ores as some of them might have a large amount of unwanted substances such as sand, stones and earthly impurities.

Answer 2

Answer:

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Explanation:

All ores are minerals while all minerals are not ores as some of them might have a large amount of unwanted substances such as sand, stones and earthly impurities. For example: Aluminium occurs in earth's crust in the form of two minerals bauxite and clay. ... So, clay remains only as mineral and not as ore of aluminum.

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