Answers

2016-01-14T12:07:07+05:30
Mixing coffee and daily breathing...
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2016-01-14T12:31:33+05:30
In the following experiments we can observe diffusion :
(i) Keeping crystals of KMnO₄ in water,
(ii) CuSO₄ in water,
(iii) Coffee powder in water etc 
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