Multiple choice

Food is cooked in a pressure cooker quickly because

  1. the boiling point of water decreases

  2. the boiling point of water increases

  3. it absorbs heat quickly

  4. it retains heat for a longer duration
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A pressure cooker seals steam inside, raising the internal pressure. Higher pressure increases the boiling point of water above 100°C. Food cooks at this higher temperature, which transfers heat faster and reduces cooking time significantly.

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