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प्रश्न
Why is H2SO4 is not used as a drying agent for H2S?
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उत्तर
Sulphuric acid is not used as a drying agent for H2S because it reacts with H2S to form sulphur.
\[\ce{H2SO4 + H2S -> 2H2O + SO2 + S↓}\]
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