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Why Do Gases Diffuse Very Fast? - Science

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प्रश्न

Why do gases diffuse very fast?

टीपा लिहा

उत्तर

Gases diffuse very fast because of the presence of large spaces between the gaseous particles and high kinetic energy of these molecules. They diffuse faster than the other states of matter.

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पाठ 1: Matter in Our Surroundings - Very Short Answers [पृष्ठ २०]

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लखमीर सिंह Chemistry [English] Class 9
पाठ 1 Matter in Our Surroundings
Very Short Answers | Q 50.2 | पृष्ठ २०

संबंधित प्रश्‍न

Comment upon the following:

rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.


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Give a reason for the following observation

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Why does a gas fill a vessel completely?


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The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume. If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume.

  1. Name the substances (i) X (ii) Y and (iii) Z.
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  3. At which temperature X gets converted into Y ?
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  5. At which temperature X gets converted into Z ?

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Comment upon the following:-

filling a gas container


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