A homogeneous solution doesn't settle.
no solutions don't settle but if you make supersaturated solution settling will occur
Supersaturated
The difficulty that arises when the precipitate is not allowed to settle completely from solution is that the precipitate will not be as pure as it could be. If the precipitate is not allowed to settle, impurities will remain in the solution and will be present in the precipitate. This will result in a less pure product.
hotter
sand
solution, ........ but with a bit of particles in suspension,
saturated solution
solution
milk is a colloid, and not a solution. the particles of casein do not settle out after standing.
It is Precipitation
Hot coffee is a solution, not a suspension. No matter how long you wait, the coffee does not settle out to the bottom of the cup.
yes however it will take a very long time to