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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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An Intiative by Sri Chaitanya

hydrates the cotton

Causes the cotton to react with oxygen in air

Heats up the cotton so that it burns

Removes the water from cotton

answer is D.

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Charring of carbohydrate

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