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प्रश्न
Give a brief account of the extraction of tin from its ores.
लघु उत्तर
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उत्तर
Extraction of tin from its ores involves the following steps:
- Concentration: The ore is crushed and concentrated by gravity or froth flotation.
- Roasting or Calcination: The concentrated ore is heated to convert impurities into oxides.
- Reduction: The oxide ore is reduced to tin metal by heating with carbon in a furnace.
- Purification: The crude tin obtained is purified by liquation or electrorefining.
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