write the characterstics of a pure substance
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contains same particles
composition is uniform throughout
fixed composition
cant be observed
cant be separated by physical activities
composition is uniform throughout
fixed composition
cant be observed
cant be separated by physical activities
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Pure substance consist of a single type of particles.
For example:-coal is a pure substance because it is made up of only CO2
For example:-coal is a pure substance because it is made up of only CO2
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