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प्रश्न
Assertion (A): Liquids tend to have maximum number of molecules at their surface.
Reason (R): Small liquid drops have spherical shape.
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
A is false but R is true.
Explanation:
Liquid tends to minimise the number of molecules at their surface due to surface tension; this leads to the spherical shape of small liquid drops.
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संबंधित प्रश्न
A person living in Shimla observed that cooking food without using pressure cooker takes more time. The reason for this observation is that at high altitude:
Physical properties of ice, water and steam are very different. What is the chemical composition of water in all the three states.
The behaviour of matter in different states is governed by various physical laws. According to you what are the factors that determine the state of matter?
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.
