aim to observe diffusion in a liquid
equipment: beaker water straw crystal
method
1.half fill your beaker with cold tap water
2.place the beaker on your work bench and allow the water to be settled
3.using the straw place you thumb on the stop while putting it in the water place a single crystal of potassium permanganate in the straw
4.observe for 5 minutes
5.repeat the experiment using hot water
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