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| 1. |
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 spreadsthroughout the water. (c) A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring. (d) A acetone bottle is left open and the 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 some time. (g) Fine beam of light entering through a small hole in a dark room. Illuminates the particles in its paths. |
| Answer» Solution :(a) Sublimation (b) Diffusion/Sedimentation (c ) Dissolution/Diffusion (d) Evaporation/Diffusion (e) Centrifugation (F) Sedimentation (G) SCATTERING of light (Tyndall EFFECT). | |