Question

why aluminium foils used to wrap foods












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Answer 1

Answer:

Aluminium foil has smooth shiny surface. Due to which it reflects back the heat radiation emitted by the food. Hence food remains warm for a longer time.

Explanation:

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Answer 2

Answer:

aluminium foils is made up of aluminium (as the name suggests), which as reflective properties and acts as a barrbier to light and oxygen.as a result,the foil reflects the thermal energy back to the food mantaninig the inherent aroma,moisture and flavour of the food .