Question

E. Answer the following in short.
1. Define matter giving examples.
2. What do you understand by the term 'intermolecular space?
3. Why do solids lack the property of diffusion?
4. What is interconversion of states of matter?
5. What is vaporization?
6. What is a chemical change?
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Answer 1

Answer:

1. Anything that has mass and occupies space is called matter. Example A boy, a car and even anything.

2. Intermolecular Space is the distance of particles in a solid,liquid, or gas.

3. Solids lack property of diffusion because the molecules in a solid are closely packed.

4. Interconveesion State of matter is change of matter from one state to another.

5.The process by which liquid changes into vapour by evaporation

6. Chemical change is a change in which new elements are dormed whose properties are diffrerent from those of the reactants.