CH-592
Diffusion
Chemistry · Secondary 3 · Medium · Diffusion
A concentrated blue dye is placed at the bottom of a beaker of water. After some time, the whole solution becomes evenly blue.
Which statement best explains this observation using the particle model?
Which statement best explains this observation using the particle model?
- Water and dye particles move randomly and spread out until evenly mixed.
- Dye particles become lighter and float to the top.
- Water particles move but dye particles stay fixed at the bottom.
- Gravity pulls the dye particles upwards through the water.
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