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Particles of Matter Are Always in Motion

Which of the ...

Question

Which of the following is a special case of diffusion when a gas is allowed to escape through a small hole?

A

Fusion

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B

De-sublimation

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C

Condensation

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D

Effusion

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Solution

The correct option is D Effusion
Diffusion refers to the process of spontaneous intermixing of gases. When this process occurs through a small hole, it is known as effusion.
Hence, the correct answer is option (d).

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