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Matter in Our Surroundings — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceMatter in Our Surroundings2 Marks
Question
Why does our palm feel cold when we put some acetone or petrol or perfume on it?
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Answer

Acetone, petrol or perfume evaporate when they come into contact with air. The evaporation causes cooling sensation in our hands.

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