Which single term is used to describe the mixing of copper sulphate and water kept in a beaker, on its own?

What are the conditions for ‘something ’to be called ‘matter’?

Name two processes which provide the best evidence for the motion of particles in matter.

When sugar is dissolved in water, there is no increase in the volume. Which characteristic of matter is illustrated by this observation?

Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?