SC-395
Diffusion
Lower Sec Science · Secondary 1 · Medium · Diffusion
A sugar solution is placed on one side of a beaker of water. After some time, the sugar molecules spread evenly throughout the water. Using the idea of diffusion, why does this happen?
- Sugar molecules move from a region of higher concentration to lower concentration until evenly spread.
- Sugar molecules are pulled downwards by gravity only.
- Water molecules push all sugar molecules to one side.
- Sugar molecules stop moving once they touch water.
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