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प्रश्न
Assertion (A): Three states of matter are the result of balance between intermolecular forces and thermal energy of the molecules
Reason (R): Intermolecular forces tend to keep the molecules together but thermal energy of molecules tends to keep them apart.
पर्याय
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
उत्तर
Both A and R are true and R is the correct explanation of A.
Explanation:
Sates of matter of a substance depend on the intermolecular forces.
\[\ce{->[Solid > Liquid > Gas][Decreasing intermolecular force]}\]
Intermolecular forces keep the molecules together while thermal energy of molecules tends to keep them apar
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Physical properties of ice, water and steam are very different. What is the chemical composition of water in all the three states.
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Reason (R): Small liquid drops have spherical shape.
