When muddy water is kept for sometime undisturbed, impurities settle down. By which technique does the impurity settle down?
Sedimentation
Filtration
Decantation
All the above
The process of settling down of insoluble heavy particles in a liquid mixture is called sedimentation.
Figure A shows water with some impurities. After some time, insoluble impurities settle down. Name the separation technique by which insoluble impurities are separated.