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Question

When sugar is treated with sulphuric acid, we get a very pure form of:

A
carbon
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B
oxygen
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C
water
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D
hydrogen
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Solution

The correct option is A carbon
(A) carbon
Concentrated sulphuric acid is a strong dehydrating agent. Sulphuric acid removes water from organic compounds; it is evident by its charring action on carbohydrates.
C12H22O11 conc. H2SO4−−−−−−−12C+11H2O

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