Which of the following does not show that the particles in the matter are constantly moving?

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The smell of perfume spreads due to the diffusion of perfume vapours into air.

The fragnance of burning stick spreads all around.

The smell of food being cooked spreads in a considerable distance.

Dissolution of sugar in water

answer is D.

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Detailed Solution

One of the physical properties of matter is that the particles of matter are moving constantly. The particles of matter are moving constantly due to the Kinetic energy present inside them. The movement of Kinetic energy becomes faster when the temperature is increased.

For example, the smell of perfume spreads into the air, the fragrance of burning sticks spread all around, the smell of cooking food reaches a considerable distance etc. All these examples show that the particles of matter are moving constantly.

The dissolution of sugar in water shows that particles of matter have space in between them. It does not show that particles of matter are constantly moving.

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