Sarthaks Test
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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) 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

1 Answer

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(a) Sublimation 

(f) Sedimentation 

(b) Diffusion 

(g) Scattering of light (Tyndall effect) 

(c) Dissolution/diffusion 

(d) Evaporation, diffusion 

(e) Centrifugation

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