Name the process associated with the following:
- Dry ice is kept at room temperature and at one atmospheric pressure.
- A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.
- An acetone bottle is left open and the bottle becomes empty.
- Milk is churned to separate cream from it.
- Settling of sand when a mixture of sand and water is left undisturbed for some time.
- Fine beam of light entering through a small hole in a dark room, illuminates the particles in its paths.
Answer:
- Sublimation
- Dissolution/diffusion
- Evaporation/diffusion
- Centrifugation
- Sedimentation
- Scattering of light (Tyndall effect).