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Standard VIII

Physics

Boiling

Evaporation t...

Question

Evaporation takes place from:

Surface of liquid

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Throughout the liquid

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From the mid-portion of the liquid

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Bottom of liquid

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Solution

The correct option is A Surface of liquid
Evaporation can only take place on the surface of liquids because that is where the molecules with the highest kinetic energy are found. Only molecules with high kinetic energy are free to escape into the atmosphere.

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Similar questions

The evaporation from the surface of any liquid depends on:

Select the correct alternative:

(a) The inter-molecular force is maximum in :

(i) solids (ii) gases

(iii) liquids (iv) none of the above.

(b) The inter-molecular space is maximum in :

(i) liquids (ii) solids

(iii) gases (iv) none of the above.

(i) gases (ii) liquids

(iii) solids (iv) none of the above

(d) The molecules move only within the boundary of :

(i) liquids (ii) gases

(iii) solids (iv) none of the above

(e) The temperature at which a liquid gets converted into its vapour state is called its :

(i) melting point (ii) boiling point

(iii) dew point (iv) freezing point

(f) Rapid conversion of water into steam is are an example of:

(i) evaporation (ii) freezing

(ii) melting (iv) vaporization

(g) Evaporation takes place from the :

(i) surface of liquid

(ii) throughout the liquid

(iii) mid-portion of the liquid

(iv) bottom of the liquid

(h) Boiling takes place from:

(i) the surface of the liquid

(ii) throughout the liquid

(iii) mid-portion of liquid

(iv) none of the above

Evaporation of a liquid takes place at temperature:

Q. Evaporation only takes place at boiling point of a liquid.

Q. Enumerate the change that takes place in liquid during evaporation

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Evaporation takes place from:

The correct option is A Surface of liquidEvaporation can only take place on the surface of liquids because that is where the molecules with the highest kinetic energy are found. Only molecules with high kinetic energy are free to escape into the atmosphere.

The correct option is A Surface of liquid
Evaporation can only take place on the surface of liquids because that is where the molecules with the highest kinetic energy are found. Only molecules with high kinetic energy are free to escape into the atmosphere.