Question

1. Define matter. What are two ways of classification of matter?

2. What is the effect of temperature on particle motion?

3. Define diffusion. Why diffusion is greater in gases and not in solids?

4. Among three states of matter, which has minimum inter particle spaces?

5. A substance has neither definite shape nor definite volume. What does its physical state represent?

6. What is the physical state of water at 150C?

Answer 1

1)matter are any substances that have mass and take space .matter can be classified by physical states and chemical states.
2)When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. Themotion and spacing of the particlesdetermines the state of matter of the substance. ... Solids, liquids and gases all expand when heat is added
3) the spreading of something more widely is known as diffusion.
Diffusion does not happen at all in solids because the particles in a solid can only vibrate on the spot, rather than being able to move from place to place.
4)solid have minimum inter particle space.
5) gaseous substances neither definite shape not volume
6)steam
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Answer 2

only for 1 matter is something which occupies space and have mass. classifications of matter are: 1 solid 2 liquid