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प्रश्न
Why is freshly prepared ferrous sulphate solution used in the ring test?
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उत्तर
Freshly prepared ferrous sulphate solution is used in the ring test otherwise. Ferrous sulphate undergoes aerial oxidation and converts to ferric sulphate.
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संबंधित प्रश्न
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Ammonia is used in the Ostwald process.
Name the catalyst used in the process.
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Name the Following:
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Name the process used for the manufacture of nitric acid.
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