The Tyndall effect explains why colloids scatter light while solutions do not, based on particle size differences.
The Tyndall effect is the scattering of visible light by particles. In colloids, the particles are large enough to scatter light, unlike in solutions where the particles are too small. This phenomenon is utilized to distinguish colloids from true solutions.
Colloids exhibit properties similar to solutions but differ in their ability to scatter light due to particle size. The stability of colloids depends on the interaction between dispersed particles and the surrounding medium. The size of particles in colloids compared to suspensions and solutions is larger.
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