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Pravallika heated a mixture of iodine and common salt by keeping an inverted funnel on it. After some time, she observed that

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White fumes come out from the mixture

Violet particles deposit on the neck of the funnel

White particles deposit on the neck of the funnel

A gas with popping sound comes out

answer is B.

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Violet particles deposit on the neck of the funnel. Iodine vapours deposit on funnel by sublimation followed by condensation.

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