Name the process associated with the following:
Q. Name the process associated with the following:
(a) Dry ice is kept at room temperature and at one atmospheric pressure.
(b) A drop of ink placed on the surface of water contained in a glass spreads throughout the water.
(c) A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.
(d) An acetone bottle is left open and bottle becomes empty.
(e) Milk is churned to separate cream from it.
(f) Settling of sand when a mixture of sand and water is left undisturbed for sometime.
(g) Fine beam of light entering through a small hole in a darkroom, illuminates the particles in its paths.
Ans.
(a) Sublimation
(b) Diffusion
(c) Dissolution/diffusion
(d) Evaporation,diffusion
(e) Centrifugation
(f) Sedimentation
(g) Scattering of light (Tyndall effect)
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