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Maharashtra State BoardSSC (English Medium) 7th Standard

Give reason. A dry handkerchief gets wet at once on dipping in water, but it takes longer for a wet handkerchief to dry. - General Science

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Question

Give reason.

A dry handkerchief gets wet at once on dipping in water, but it takes longer for a wet handkerchief to dry.

Give Reasons
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Solution

A dry handkerchief gets wet at once because it quickly absorbs the water in which it is dipped. However, it takes longer for a wet handkerchief to dry because the water needs to evaporate from the handkerchief. Evaporation is a slow process that is dependent on other factors as well, like relative humidity.

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Chapter 13: Changes – Physical and Chemical - Exercise [Page 91]

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Balbharati General Science [English] Standard 7 Maharashtra State Board
Chapter 13 Changes – Physical and Chemical
Exercise | Q 3.5 | Page 91
Balbharati General Science Integrated [English] Standard 7 Maharashtra State Board
Chapter 13 Changes – Physical and Chemical
Exercise | Q 3. (e) | Page 85
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