Sedimentation. Filtration. Coagulation. Flocculation
Soild
You can use a filtration process to separate a solid from a liquid in a mixture. The mixture is passed through a filter, allowing the liquid to pass through while trapping the solid particles, thereby separating them.
Liquid.
Toothpaste is a liquid.
What is a soild
By melting
Soled
Melting
you pee on it
Both
Soled
Drying.