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Give reason for the following observations. (a) Naphthalene balls disappear with time without leaving any solid. (b) We can get the smell of perfume

sitting several metres away.

NCERT Class 9th Science Ch 1 Matter in Our Surroundings


1. due to change in pressure
2. due to  property of matter of continuously  moving

please please please mark it as brainliest

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Napthalene balls disappear because particals breaks of the Napthalene balls and changes intogasious state.
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