Question

Food in the pressure cooker is cooked faster, as

• A. The boiling point increases due to an increase in pressure.
• B. The boiling point decreases due to an increase in pressure.
• C. More steam is available at ${100}^{0}C$.
• D. More pressure is available at ${100}^{0}C$.

Answer 1

The correct option is A

The boiling point increases due to an increase in pressure.

Explanation

1. The time required to cook is highly reduced, if the water is made to boil at a higher temperature than its boiling point, which is ${100}^{0}C$.
2. The pressure cooker is used to cook food faster as it raises the boiling point of water, up to ${120}^{0}C$.
3. Also the steam formed from the boiling of water in the pressure cooker is not allowed to escape.
4. The steam so formed increases the pressure inside the pressure cooker and so the water boils at higher temperature.
5. Therefore, Food in the pressure cooker is cooked faster, as the boiling point increases due to an increase in pressure.

Hence, option (A) is the correct answer.