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What property of conc. HA2SOA4 is used in the action when sugar turns black in its presence? - Chemistry

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प्रश्न

What property of conc. \[\ce{H2SO4}\] is used in the action when sugar turns black in its presence?

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उत्तर

\[\ce{H2SO4}\] is dehydrating agent.

\[\ce{\underset{sulphide}{\underset{Sodium}{Na2S}} + \underset{sulphuric acid}{\underset{Dilute}{H2SO4}} -> \underset{sulphide}{\underset{Hydrogen}{H2S}} + \underset{sulphate}{\underset{Sodium}{Na2SO4}}}\]

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