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How does the atoms of a substance diffuse with air?
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How does the atoms of a substance diffuse with air?
Diffusion takes place most rapidly in gasses.

The particles of gas have more kinetic energy due to that they move with high speed. Because of the movement of particles with high speed gas diffuses most rapidly.

Example: Mixing of gases in air.

Smoke coming out of factories is seen only near the mouth of chimneys. After rising high it mixes up with air and vanishes out. This happens because of diffusion of gases.
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Direction: Read the passage and answer the questions given, one mark questions.Anything that occupies some space, having mass, volume and can be felt by one or more out of five senses is called matter. The purest form of matter is called an element. An element is a substance which cannot be split up into two or more simpler substances by the usual chemical methods of applying heat, light or electric energy.A pure substance consists of a single type of particles. All the elements and compounds are pure substances because they contain only one kind of particles. eg. Hydrogen, Carbon, Oxygen, Carbon-monoxide, Copper, Gold, Silver. A pure substance has a fixed composition as well as a fixed boiling point and melting point. The presence of impurities generally increases the melting and boiling point of the pure substancesQ. The boiling point of pure water is 100oC. What likely be the effect on the boiling point of water if 150 gm NaCl is added to one litre water.

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How does the atoms of a substance diffuse with air?
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