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प्रश्न
What are molecules?
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उत्तर
Molecules are the smallest unit of matter. They exhibit all the properties of that kind of matter and is capable of independent existence.
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संबंधित प्रश्न
State two characteristic properties of a solid.
How do solids, liquids and gases differ in shape and volume?
Arrange the following substances in increasing order of force of attraction between their particles (keeping the substance having the minimum force of attraction first) : Water, Sugar, Oxygen
Give reasons
Liquids have definite volume but no definite shape
Write whether the following statement is true or false:
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely
For the following statement, say whether it describes a solid, a liquid or a gas.
Particles move about very quickly but do not leave the surface
State the main physical properties of matter.
Describe simple experiments to prove that gases occupy space.
Strainer is a kind of sieve which is used to separate a liquid from solid.
Identify the state of matter based on the arrangement of the molecules.
