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Heat Transfer in Nature — Science STD 7 — Question

Gujarat BoardEnglish MediumSTD 7ScienceHeat Transfer in Nature1 Mark
Question
Shopkeepers selling ice blocks usually cover them with jute sacks. Explain why.
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Answer

The layers of Jute traps the air in between the fibres. The trapped air prevents the flow of heat from surroundings to the ice and hence prevents it from melting.

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