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प्रश्न
Comment upon the following:-
shape
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उत्तर
The shape defines a definite boundary.
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संबंधित प्रश्न
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The substance X normally exists in a physical state which can flow easily but does not fill its vessel completely. It also turns anhydrous copper sulphate blue. When substance X is cooled excessively, it changes into a substance Y which has a fixed shape as well as a fixed volume. If, however, the substance X is heated strongly, it changes into a substance Z which has neither a fixed shape nor a fixed volume.
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