Q.

A boy accidently splashes a few drops of conc. H2SO4 on his cotton shirt and splashed part blackens and holes appears. This is because the sulphuric acid

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a

Heats up the cotton so that it burns

b

hydrates the cotton

c

Causes the cotton to react with oxygen in air

d

Removes the  water from cotton

answer is D.

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Detailed Solution

Charring of carbohydrate
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