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The boiling point of water decreases at higher altitudes because
Options
(a) the atmospheric pressure is low
(b) the temperature is low
(c) the atmospheric pressure is high
(d) the temperature is high
Correct Answer:
the atmospheric pressure is low
Explanation:
The normal boiling point is the temperature at which the vapour pressure of a liquid is equal to exactly one standard atmospheric pressure (760 mm of Hg). Thus, at high altitudes where the atmospheric pressure is less than 760 mm, water boils at temperature below its normal boiling point of 100⁰C.
Related Questions: - The ion which is not tetrahedral in shape is
- In which of the following pairs, both the species are not isostructural ?
- In the gas equation ,PV = nRT
- Action of acetylene on dilute H₂SO₄ gives
- Which of the following is the smallest in size?
Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ion which is not tetrahedral in shape is
- In which of the following pairs, both the species are not isostructural ?
- In the gas equation ,PV = nRT
- Action of acetylene on dilute H₂SO₄ gives
- Which of the following is the smallest in size?
Topics: States of Matter Gases and Liquids (80)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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