CBSE Notes, Lectures

CBSE - Chemistry - Matter in Our Surroundings

Matter in Our Surroundings

Short Answer Type

Fill in the blanks:

(a) Evaporation of a liquid at room temperature leads to a __________ effect.
(b) At room temperature, the forces of attraction between the particles of solid substances are __________ than those which exist in the gaseous state.
(c) The arrangement of particles is less ordered in the __________ state. However, there is no order in the __________ state.
(d) __________ is the change of gaseous state directly to solid state without going through the __________ state.
(e) The phenomenon of change of a liquid into the gaseous state at any temperature below its boiling point is called __________. 
Ans. (a) cooling
(b) stronger
(c) liquid, gaseous
(d) sublimation, liquid
(e) evaporation 

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