Dilwar wanted to remove a postage stamp from an envelope. He tore the piece that had the stamp and put it in a mug of water. After some time, he was able to remove the stamp. His father used an electric iron to make it crisp. How did the stamp become crisp?
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Answer:
Cut or tear the envelope around the stamps. Float the stamps face up in cool water. Soak for one hour or until the stamps separate from the paper. Then rinse the stamps to remove any leftover adhesive.
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because of the electronic property of iron.
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