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प्रश्न
On adding conc. H2SO4 to cane sugar, the colour observed is ______.
पर्याय
yellow
black
green
violet
MCQ
रिकाम्या जागा भरा
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उत्तर
On adding conc. H2SO4 to cane sugar, the colour observed is black.
Explanation:
Concentrated sulphuric acid acts as a strong dehydrating agent. It removes water from cane sugar, leaving behind black carbon.
\[\ce{C12H22O11 ->[conc{.}H2SO4] 12C + 11H2O}\]
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