alleryA naturally occurring substance from which a metal can be extracted economically is called
ASlag only
BMineral only
CAlloy only
DOre
Answer & Solution
Correct answer: D. Ore
1. The chapter section on minerals and ores defines both terms.
2. Mineral: any natural compound of a metal.
3. Ore: a mineral from which extraction is economically viable.
4. So option A is correct.
_Source: Selina Concise Chemistry Class 10, Ch 7 Metallurgy (Mistral OCR'd PDF), section on minerals and ores_
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