A pressure cooker saves both time and fuel in cooking because inside the cooker, the

JAMB 1980

A 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

Correct Answer: Option A

Explanation

When atmospheric pressure increases, the boiling point becomes higher, and when atmospheric pressure decreases (as it does when elevation increases), the boiling point becomes lower.

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