Question

give scientific reason:Running hot water over a tight metal lid on a glass jar before trying to open it helps in opening the lid easily.

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Answer 1

Explanation:

because if u run hot water on the tight lid which is kept to the bottle then the lid will expand due to the hotness which is absorbed from the hot water which is proud on it but the glass is least expanded than to the lid so the lit expanded highly than to the glass bottle so the expanded leads can open freely.... hence we can easily open the lid which is fitted to the glass bottle...