Particles and Mixture - 1.2 Movement of Particles

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Chemistry

IGCSE Chemistry

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5 Terms

1
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What is diffusion?

Diffusion is the net movement of particles from areas of higher concentration, to areas of lower concentration

2
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Why does diffusion happen?

Diffusion happens because particles move about randomly, so over time will spread out, moving from where there are lots of them

3
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What colour is bromine gas?

Brown

4
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What colour is potassium manganate (VII)?

Purple

5
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Are particles of ammonia of particles of hydrogen chloride smaller?

Particles of ammonia are smaller