Interpretation: It is to be explained why a cooker is recommended for cooking at higher altitudes.
Concept introduction:
The boiling point of a liquid is the temperature when its vapor pressure equals that of the gas above it or the temperature at which a liquid begins to turn into steam or vapor is known as its boiling point.
Answer to Problem 74A
Water boil at a lower temperature at a higher altitude.
Explanation of Solution
The air pressure is reduced at higher altitudes than it is close to the sea. Due to the water boiling at a lower temperature (below 100), food requires a longer time to cook. A pressure cooker speeds up the cooking process by preventing water from boiling at low temperatures.
Thus, a pressure cooker is recommended at higher altitudes for cooking.
Chapter 13 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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