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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: - When x litres hydrogen and chlorine are mixed, moles of HCl is
- In which of the following reaction Kp > Kc
- The oxidation number of nitrogen in (N₂H₅)⁺ is
- In a given atom no two electrons can have the same values for all
- Chlorine is liberated, when we heat
Topics: States of Matter Gases and Liquids
(80)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When x litres hydrogen and chlorine are mixed, moles of HCl is
- In which of the following reaction Kp > Kc
- The oxidation number of nitrogen in (N₂H₅)⁺ is
- In a given atom no two electrons can have the same values for all
- Chlorine is liberated, when we heat
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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