Why does milk in a saucepan overflows when heated


Asked by admin @ in Chemistry viewed by 216 People


Why does milk in saucepan overflows when heated

Answered by admin @



Milk overflows when boiled for the first time because it contains entrapped air. The air expands on heating and tends to escape lifting the surface of milk.Once all the air is expelled, the boiling would be regular and smooth. A second boiling would not lead to overflow. Also, milk tends to froth when it boils


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