Give reasons : A gas fills completely vessel in which it is kept.

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Give reasons : A gas fills completely the vessel in which it is kept.

Option A

Option B

Option C

Option D

Solution

Force of attraction between the molecules of gases is negligible. So, molecules of gases occupy the maximum space available to them. High kinetic energy possessed by their molecules also helps for the same.

Standard 9

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medium

Give reasons : A gas fills completely the vessel in which it is kept.

Solution

Similar Questions

Tabulate the differences in the characteristics of states of matter.

Give reasons : We can easily move our hand in air but to do the same through a solid block of wood we need a karate expert.

Arrange the following substances in increasing order of forces of attraction between the particles – water, sugar, oxygen.

What is the physical state of water at $(a)$ $25\,^oC$ $(b)$ $0\,^oC$ $(c)$ $100\,^oC$ ?

The mass per unit volume of a substance is called density. (density = mass/volume). Arrange the following in order of increasing density-air, exhaust from chimneys, honey, water, chalk, cotton and iron.

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The mass per unit volume of a substance is called density.

(density = mass/volume).

Arrange the following in order of increasing density-air, exhaust from chimneys, honey, water, chalk, cotton and iron.