Question

Aluminium foils are used to warp food iteams.

Answer 1

Answer:

$aluminium \: foil \: has \: smooth \: and \: shiny \: surface. \\ \: due \: to \: which \: it \: reflects \: back \: to \: heat \: radiation \: amitted \: by \: the \: food. \\ \: hence \: the \: food \: remains \: warm \: for \: a \: longer \: time.$

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Answer 2

aluminum is highly malleable and it can be easily beaten in sheets to make it foils for wrapping purpose. that is why aluminum foils are used to wrap food items and its also maintain the temperature of food items as it is a good conductor of heat