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10g of a solid is in equilibrium with its own vapour.

10g of a solid is in equilibrium with its own vapour.
When 1 g of a small amount of solid is added, the vapour pressure?

A.

remains the same

B.

drops

C.

increases by 1%

D.

increases by 99%

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Correct answer is B

No explanation has been provided for this answer.

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