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प्रश्न
How can a glass stopper jammed in the neck of a bottle be removed?
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उत्तर
We should heat the neck of the bottle because due to heating the neck will expand and loosen the stopper stuck in the neck. In this way, we can easily remove the stopper from the bottle.
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संबंधित प्रश्न
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Define coefficient of linear expansion.
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Change in temperature
