WBCS.LIVE practice question

Water is boiling in a flask over a burner. To reduce its boiling temperature one must:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Reduce the surrounding temperature
  2. Connect the mount of the flask to an evacuating system
  3. Supply heat from a less intense source
  4. Connect the mouth of the flask to a compressor

Correct answer and explanation

Correct answer: Connect the mount of the flask to an evacuating system