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प्रश्न
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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उत्तर
In increasing order of density:
Air < Exhaust from chimney < Cotton < Water < Honey < Chalk < Iron
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संबंधित प्रश्न
Tabulate the differences in the characteristics of states of matter.
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
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.
Which of the following diffuses fastest and which the slowest?
Solid, Liquid, Gas Give reasons for your answer.
Give one example of diffusion of gases in a liquid.
Why do gases diffuse very fast?
Name two gases of air which dissolve in water by diffusion. What is the importance of this process in nature?
Why does a gas exert pressure?
Why does a gas fill a vessel completely?
______ is not affected by gravity.
