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Why is it advisable to use pressure cooker at higher altitudes? |
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Answer» A liquid boils when its vapour pressure equals the atmospheric pressure. At higher altitude atmospheric pressure is lower than near the sea. This causes the water to boil at a lower temperature (below 100), Due to this it takes longer time for food to be cooked. A pressure cooker prevents boiling of water at lower temperature and leads to quicker cooking of the food. |
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