If there is no separation line visible that's an indication; If you stir the solution and you see no small trails going through the mixture that's another one. And of course all the solid material...
A homogeneous mixture is a mixture of more than one substance that is consistent throughout the mixture. A heterogeneous mixture is a mixture where there are varying concentrations of the substances...
A homogeneous mixture is one in which different constituents are uniformly mixed and that has a uniform composition throughout. Brass, for example, is a homogeneous mixture of copper and zinc. An...