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प्रश्न
State one relevant observation for the following reaction:
Sulphide ore is added to a tank containing oil and water, and then stirred or agitated with air.
लघु उत्तर
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उत्तर
The oil wets the ore and separates it from the gangue as froth. Water wets the impurities, which remain in the sink. Since the ore is lighter, it rises to the surface with the froth, leaving the impurities behind.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Metallurgy - Questions from ICSE Examinations [पृष्ठ १८२]
