JEE MAIN - Chemistry (2003 - No. 29)
A pressure cooker reduces cooking time for food because
boiling point of water involved in cooking is increased
the higher pressure inside the cooker crushes the food material
cooking involves chemical changes helped by a rise in temperature
heat is more evenly distributed in the cooking space
Explanation
NOTE : On increasing pressure, the temperature is also increased. Thus in pressure cooker due to increase in pressure the $$b.p.$$ of water increases.
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