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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
संबंधित प्रश्न
Comment upon the following:
rigidity, compressibility, fluidity, filling a gas container, shape, kinetic energy and density.
Fill in the following blank with suitable words :
Solid, liquid and gas are the three ........................ of matter.
A girl is cooking some food in the kitchen. The smell of food being cooked soon reaches her brother's room. Explain how the smell could have reached her brother's room.
Give one example of diffusion of gases in a liquid.
Explain how, the smell of food being cooked in the kitchen reaches us even from a considerable distance.
Why do gases diffuse very fast?
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
A substance has neither a fixed shape nor a fixed volume. State whether it is a solid, a liquid or a gas.
______ is not affected by gravity.
Which of the following is TRUE about gaseous state?
