A mineral is a naturally occurring solid with a defined chemical composition and crystal structure. An ore is a mineral or an aggregate of minerals from which a metal or other valuable substance can be extracted profitably.
Which of the following is a wrong statement?
Asked in TNPSC CS Prelims 2017 · Topic: Metals, Minerals, Ores: Properties, Uses (Distinction between minerals and ores)
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Answer: B. All the ores are not minerals
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