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Question

Expansion during heating
(a) occurs in solids only
(b) causes decrease in weight
(c) is due to increase of interatomic spacing

A
only (a) is wrong
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B
(a),(b) & (c) are wrong
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C
(a) & (b) are wrong
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D
(a) ,(b) & (c) are correct
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Solution

The correct option is B (a) & (b) are wrong
According to law of conservation of mass, mass of substance does not change while linear expansion therefore, its mass hence weight remains same whereas it occurs only in solids and it is because of increase in interatomic spacing, therefore option(C) is correct

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