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प्रश्न
During metallurgy – smelting plants produce sulphur dioxide, when metallic sulphides are roasted in air. Give a balanced equation for the same.
एका वाक्यात उत्तर
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उत्तर
When sulphide ores are roasted in smelting plants SO2 is produced:
2ZnS + 3O2 → 2ZnO + 2SO2
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