Question

When the solid melts to form liquid-a) interparticle forces of attraction increasesb) compressibility increasesc) kinetic energy of the particles decreasesd) rigidity increases

Answer 1

Answer:

Ans. is option B) compressibility increases.

Answer 2

$\Large{\underline{\underline{\bf{Answer:-}}}}$

When the solid melts to form liquid:-

B) Compressibility increases.

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$\Large{\underline{\underline{\bf{Explanation:-}}}}$

The change in which a solid state of matter changes into liquid state by heating is called melting or fusion.

In solids, the interparticle forces are strong and particles are held closely. On heating , the kinetic energy of the particle increases , as a result of which, they start vibrating rapidly. At a certain temperature, the Kinetic energy becomes sufficient to overcome the interparticle forces and the particles leave thei fixed position, start moving freely and thus, get converted into liquid. This temperature is called the melting point of the solid.

For example:-

Solid ice melts to liquid water at 0°C or 273 K , therefore the melting point of ice is 0°C or 273 K

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$\Large{\underline{\underline{\bf{Thanks}}}}$