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Standard IX

Chemistry

Evaporation

Evaporation o...

Question

Evaporation of a liquid takes place at temperature:

below the freezing point

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below the boiling point

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above the freezing point

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above the boiling point

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Solution

The correct option is B
below the boiling point

Evaporation of a liquid takes place at temperature below the boiling point.

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Similar questions

Below the boiling point of a liquid evaporation takes place. Then when the liquid is being heated to vaporise it, before reaching its boiling point does the liquid not evaporate?

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

Q. Assertion: A

1 m N a C l (a q)

solution will freeze at a temperature below

273 K

.
Reason: As a solute is added to a solvent, the boiling point increases while the freezing point decreases.

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

In a given thermometer, there are 100 major divisions between the freezing point and boiling point of water. Each major division is equal to 5 minor divisions. What is the minimum temperature above the freezing point of water that can be captured by the thermometer?

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Evaporation of a liquid takes place at temperature:

The correct option is B below the boiling point Evaporation of a liquid takes place at temperature below the boiling point.

The correct option is B
below the boiling point

Evaporation of a liquid takes place at temperature below the boiling point.