a colloid contains larger particles than a solution. the particles are still too small to be seen easily, but are large enough to scatter a light beam
a colloid contains larger particles than a solution. the particles are still too small to be seen easily, but are large enough to scatter a light beam
Use the Tyndall Effect shine a light through it. If the light is scattered then it is colloidal. Both colloids and suspensions are heterogeneous. A solution will not show the beam through it's substance but the colloid will. The particles in the suspension will eventually settle at the bottom, showing that it is NOT a solution.
Solutions are mixtures on an atomic or molecular level; the mixture is so fine grained that you could never see it with a microscope. All you would see is a homogeneous substance. Colloidal suspensions contain tiny particles that you might be unable to see with the unaided eye, but which you could see with a microscope.
The pH of an acidic solution is under 7; the solution contain cations H+. The pH of an alkaline solution is above 7; the solution contain anions OH-.
The traditional test is that a suspension scatters at least some of any light that passes through the suspension, while a solution does not.
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A colloid is frequently opalescent and has more than one phase; the dimension of particles is in the range 1 nm-1μm.A true solution has only one phase and is clear.
If the solution turns a shade of red, orange or yellow it is an acid. If the solution turns a shade of purple or blue it is an alkaline. if it goes pink the world ends
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The easiest way to determine if the solution is saturated or not is not really very 'scientific.' Remove a sample and, drop a bit of the solute into it. If the additional solute dissolves, the solution is not saturated. If it does not, the solution is saturated.
Vending machines have laser scanners that can tell the difference between the bills.