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Suspensions and solutions
Lower Sec Science · Secondary 1 · Hard · Suspensions and solutions
A teacher adds sand to water and stirs. The sand settles at the bottom after a while. Which statement best explains why this mixture is not a solution?
- The sand particles are too small to be seen.
- The sand particles dissolve completely in the water.
- The sand particles do not dissolve and settle instead of staying evenly spread out.
- The sand changes into a new substance when mixed with water.
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