A full bottle of concentrated H2SO4 left uncorked for several days was observed to overflow. This was probably due to _____________.
dissolution of oxygen from the air
temperature changes size of the bottle
hygroscopic property of sulphuric acid
reaction between the acid and the bottle
A
hygroscopic property of sulphuric acid
B
dissolution of oxygen from the air
C
reaction between the acid and the bottle
D
temperature changes size of the bottle
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Solution
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Hygroscopy is the ability of a substance to attract and hold water molecules from the surroundings.So sulphuric acid readily absorbs water from its surroundings and overflow after some time if it is left uncovered.
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