You can't they just mix toghter-Juliet ,age 91
No, they will separate.
The best way is to remove the lids and allow the paint to dry in the can... Most recycling depots accept paint in this manner, however, it is advisable to check regulations in your area.
You can't. You have to buy new paint.
To make face paint out of tempera paint, you mix flour and water in a small pain on the stove until it is of the right consistency. After you remove the mixture from the heat, separate it into several bowls and add tempera paint to each bowl until you get the shade that you want.
You can separate liquid paint by centrifugation, a process that spins the paint till separation. (must spin fast)
yes.
yes
YES. That's why we have paint called water colors. BTW, not all paint has water in it.
Most latex paints are similar to water paint.
. Acrylics ARE water based.
Leaching typically only occurs when using latex paints, when the paint dries too slowly, chemicals known as surfactants can separate from the paint, and will show up as brown spotting, which is generally easy to remove, with either water, or water and a mild detergent.Since automotive paint is almost always laquer-based, and not latex, this effect does not occur.
Iodine in water can be separated by using paint thinner as a solvent. Another example is acetone in water. They both have different densities so the water and acetone will separate out.