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Different States of Matter

Name the proc...

Question

Name the process that happens when:

(a) Dry ice is kept at room temperature and at one atmospheric pressure.

(b) A potassium permanganate crystal is in a beaker and water is poured into the beaker by stirring.

(c) An acetone bottle is left open and the bottle becomes empty.

(d) Milk is churned to separate cream from it.

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Solution

(a) Sublimation

(b) Dissolution/diffusion

(c) Evaporation

(d) Centrifugation

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Q. Question 20
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 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) A fine beam of light entering through a small hole in a dark room. Illuminates the particles in its paths.

Name the process associated with the following.

A potassium permanganate crystal is in a beaker and water is poured into the beaker with stirring.

Name the process associated with the following.

A acetone bottle is left open and the bottle becomes empty.

Q. When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :
(a) distribution
(b) intrusion
(c) diffusion
(d) effusion

Q. When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of :

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