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The mineral from which a metal can be readily and economically extracted on a large scale is called a/an:
AOre
BGangue
CFlux
DSlag
Answer & Solution
Correct answer: A. Ore
1. A mineral is any naturally occurring compound of a metal in the Earth.
2. Not every mineral is economical to process.
3. The mineral from which the metal is profitably extracted is called an ore.
Gangue is the rocky impurity, not the source of the metal.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 8 Periodic Classification of Elements "Terminology in Metallurgy", p.119_
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