Question 16
Change of State and VapoursA pressure cooker saves both time and fuel in cooking because inside the cooker, the
- A.boiling point of water is raised
- B.pressure is constant
- C.heat is completely trapped
- D.temperature is evenly distributed
- E.volume of steam varies.
Show the answer and explanation
Answer: A (boiling point of water is raised)
Explanation
The higher pressure inside raises the boiling point of water above 100°C, so food cooks faster at the higher temperature.