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Full Version: Why do we use aluminium foil for wrapping food??
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1-LVDCPN

aluminium has high thermal diffusivity ;therefore heat will diffuse swiftly through the foil.What is the logic behind wrapping our food items in aluminium foil ?? A sheet of paper has much lower thermal diffusivity as compared to  aluminium foil so any food item wrapped in a sheet of paper  will remain warmer for more duration as compared to food item wrapped in aluminium foil..right?