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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
"A substance has a definite shape as well as a definite volume." Which physical state is represented by this statement?
Give reasons
Liquids have definite volume but no definite shape
Fill in the blanks:
______ and ______ can flow.
Write whether the following statements are true or false:
Only water can exist in three different states
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
Matter in any state is composed of particles. Compare the three states of matter i,e. solids, liquids, and gases with reference to:
(a) intermolecular space
(b) the intermolecular force of attraction
(c) movement of particles
State the property of the following substance.
Magnesium reacts with dilute hydrochloric acid, liberating hydrogen gas.
Filtration method is effective in separating ______ mixture.
The force of attraction between liquid particles is more than solid particles.
