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प्रश्न
Define and explain the meaning of the term ore.
एक पंक्ति में उत्तर
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उत्तर
Ore : Those minerals from which a metal can be extracted profitably are called ores. For example bauxite ore is used to extract aluminium metal, hematite ore is used to extract iron metal.
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अध्याय 7: Metallurgy - Questions from ICSE Examinations [पृष्ठ १७५]
