Question

1. what is the general name of rigid form of matter?
solid
liquid
gas
none of these

2. the smell of perfume gradually spread across the room due to____
diffusion
force of attraction
intermolecular space
none of these

3. the best evidences that the particles of matter are constantly moving come from the studies of___ and ___
diffusion and Brownian motion
evaporation and temperature
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Answer 1

Answer:

1 solid

2 I don't know

3 p evaporation and temperature

Answer 2

Answer:

1. Solid

2. Diffusion

3. Diffusion and Brownian motion