Varun was asked to determine the boiling point of water in chemistry laboratory. He
observed that the water started boiling at 100°C but the reading in the thermometer became
constant. Give reason for the above observation. State any one precaution that Varun should
take while performing this experiment
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An experiment to determine the boiling point of water. ... Introduce a thermometer (temperature range -10 to 110°C) in one bore of the cork of ... Record your observations in tabular form.
At sea level, vapour pressure is equal to the atmospheric pressure at 100 ˚C, and so this is the temperature at which water boils. ... Due to this, the temperature required to reach the necessary vapour becomes lower and lower as we get higher above sea level, and the liquid will therefore boil at a lower temperature.
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