20. Name the process associated with the following:
(i) Dry ice is kept at room temperature and at one atmospheric pressure.
(ii) A drop of ink placed on the surface of water contained in a glass spreads throughout the water.
(iii) A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.
(iv) A acetone bottle is left open and the bottle becomes empty.
(v) Milk is churned to separate cream from it.
(vi) Settling of sand when a mixture of sand and water is left undisturbed for some time.
(vii) Fine beam of light entering through a small hole in a dark room, illuminates the particles in its paths.
20. Name the process associated with the following:
(i) Dry ice is kept at room temperature and at one atmospheric pressure.
(ii) A drop of ink placed on the surface of water contained in a glass spreads throughout the water.
(iii) A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.
(iv) A acetone bottle is left open and the bottle becomes empty.
(v) Milk is churned to separate cream from it.
(vi) Settling of sand when a mixture of sand and water is left undisturbed for some time.
(vii) Fine beam of light entering through a small hole in a dark room, illuminates the particles in its paths.
Harshit Singh , 4 Years ago
Grade 12th pass
