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Question
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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Solution
Physical state of ice, water and steam are very different but the chemical composition of water in all the three states is \[\ce{H2O}\].
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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.
Assertion (A): Liquids tend to have maximum number of molecules at their surface.
Reason (R): Small liquid drops have spherical shape.
