Question

Q.54 Explain the effect of pressure on solid, liquid and gas?​

Answer 1

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Effect of pressure on solid :

(i) There is no effect of pressure on solids

(ii) Solids are non - compressible

(iii) When the pressure is increased on a solid, it is deformed and finally broken down.

Effect of pressure on liquid :

(i) There is no effect of pressure on liquid

(ii) Liquids are non - compressible i.e liquids cannot be compressed since there is not enough space between their particles to get compressed

Effect of pressure on gas :

(i) The volume of gas decreases with increase in pressure

(ii) Since there is lot of space between particles of gas, gas is highly compressible.

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Answer 2

As the temperature of a solid, liquid or gas increases, the particles move more rapidly. As the temperature falls, the particles slow down. ... If the pressure above a liquid is increased sufficiently, the liquid forms a solid. If the pressure above a liquid is decreased sufficiently, the liquid forms a gas.