If it really is a solution, the particles are too small to scatter light.
In between true solutions and heterogeneous mixtures, you have particles comparable in size with the wavelength of light, and these do scatter light and are called ';colloidal suspensions';. Milk, for example.
Of course it depends on what you mean by clear. I would call solutions of colored materials clear, as opposed to cloudy. Flongkoy only calls them clear if they're colorless. Take your pick.Why are all aqueous solutions are clear?
NOT ALL aqueous solutions are clear
KMNO4(aq) solution is an example.
See http://www.potassium-permanganate-online…
BTW, what do you mean ';clear';???
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