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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
Give reasons:
A gas exerts pressure on the walls of the container.
Name two gases which are supplied in compressed form in homes and hospitals.
Which of the two diffuses faster : a liquid or a gas?
Why do gases have neither a fixed shape nor a fixed volume?
Explain why, diffusion occurs more quickly in a gas than in a liquid.
Why do gases diffuse very fast?
How does the substance of gaseous particles change to a liquid state?
Comment upon the following:-
fluidity
Comment upon the following:-
density
A gaseous mixture of He and O2 is found to have a density of 0.518 gL-1 at 25° C and 720 torr. The mass percent of helium in this mixture is ______.
