alleryMinerals from which a metal can be separated economically are specifically called what?
AGangue
BOres
CAlloys
DSlag
Answer & Solution
Correct answer: B. Ores
1. Compounds of metals occurring in nature with impurities are minerals.
2. Minerals from which a metal can be extracted economically are called ores.
3. The impurities like soil and sand in the ore are the gangue.
4. So the term sought is ores, not gangue.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology, Ch 8 "Metallurgy", p.109_
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