Mr Collins has got some new aftershave. Danny can smell it as soon as Mr Collins

Question

Mr Collins has got some new aftershave. Danny can smell it as soon as Mr Collins comes into the lab. Ramesh does not smell it until two minutes later. Who is sitting nearest to the lab door? Explain your answer Diffusion happens faster in gases than in liquids. Why does this nappen? Tick the correct planation. The particles in gases are smaller than the particles in liquids. The particles in gases are bigger than the particles in liquids The particles in gases are moving faster than the particles in liquids. The particles in gases are moving faster than the particles in liquids.

Explanation / Answer

a) Ramesh is sitting nearest to the lab door.

b) Because Danny is in the room he can smell it immediately,but we can assume that Ramesh is sitting nearest to the lab door and the smell reaches him by diffusion after 2 minutes.

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The particles in gases are moving faster than the particles in liquids.

Note:  The particles in a liquid move very slowly.

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