Question

which provide the best evidence for the motion of particlesin matter?​

Answer 1

Answer:

Brownie motion and diffusion are the two processess which provides the best evidence for the motion of particles in matter. Explanation: The two processes that describe the motion of particles in matter are Brownian movement and diffusion.

Explanation:

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Answer 2

Answer:

(i) Brownian movement:

It is the random movement of the particles which is called as Brownian Movement.

This movement occurs because of the bombardment by other moving particles. Larger particles can be moved by light, fast moving molecules.

(ii) Diffusion:

Diffusion is a process in which the molecules move from high concentration to lower concentration.