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Lower thermal expansion of solids is related to
Lower thermal expansion of solids is related to
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The correct option is B high melting point
At melting point the solid is converted to liquid, which means the intermolecular force between molecules of that substance decreases at melting point. If the force is stronger, more energy will be required to loosen up this force. Hence, high melting point means higher intermolecular force of attraction, which means lower thermal expansion as compared to liquids and gases.
At melting point the solid is converted to liquid, which means the intermolecular force between molecules of that substance decreases at melting point. If the force is stronger, more energy will be required to loosen up this force. Hence, high melting point means higher intermolecular force of attraction, which means lower thermal expansion as compared to liquids and gases.
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