Question

IV. Give reason for the following.
1. Solids are hard to press.
2. The volume of water does not change on dissolving sugar or salt in it.
V. Give short answer.
1. What do you mean by matter?
2. How are solids different from liquids in terms of particle arrangemen
3. Do all solids dissolve in liquids ? Name two insoluble solids.
k
4. What happens when water is heated ? What is this process called ?
5. Why are liquids and gases called fluids ?
Matter​

Answer 1

Answer:

1 have very less intermolecular space

2.because the particles of water have space between them.

1.anything which occupy space and have some mass is called matter.

2. particles of solid are more compactly arranged than that of liquid.

3.no.eg. sand particles plastic

4.water will convert into steam and is called evaporation.

5. Because they and flow and having property of fluidity.

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Answer 2

Answer:

yes solids are hard to press because automs in solids are tightly packed