Multiple choice general knowledge science & technology

Boiling water under normal atmospheric pressure is at temperature of ____ .

  1. 100 degree celcius

  2. more than 100 degree celcius.

  3. less than 100 degree celcius

  4. can be more or less than 100 degree celcius
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

At standard atmospheric pressure (1 atm or 101.325 kPa), pure water boils at exactly 100 degrees Celsius. This is the boiling point at which water vapor pressure equals atmospheric pressure. The question specifies normal atmospheric pressure, which makes 100°C the correct answer.

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