Question

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9. Soda, Soft drinks (coca-cola) etc. are the carbonated drinks and prepared mainly because of the
of carbon dioxide in water.
A) Diffusion B) Effusion C) Cooling D) Force
10. Which of the following examples would diffuse the fastest?
A) Salt into water B) milk into water C) Sand into water D) Perfume in room
11. Diffusion in liquids is slower than that in gases. This is because the particles in liquids move
compared to the particles in gases.
A) fast
B) slow
C) with same speed D) none
12. Diffusion process is proces.
A) Natural
B)Artificial
C) Reversible
D) chemical
B) Artificial C) Reversible D) Chemical
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Answer 1

Answer:

9. A) Diffusion

10. D) Perfume in room

11. A) fast

12. A) Natural