CHEMISTRY Brilliant MCQ
KINETIC PARTICLE THEORY
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Question 1 of 5
1. Question1 point(s)
Gas molecules at room temperature are able to move at very high velocities. However, when a bottle of perfume is opened at the end of a large room, it may take several minutes before its smell can be detected at the other end.
Which of the following explains this phenomenon?CorrectIncorrect
Question 2 of 5
2. Question1 point(s)
Which of the following does not involve a physical change of state of a substance?CorrectIncorrect
Question 3 of 5
3. Question1 point(s)
The diagrams show the particles in a substance at two different temperatures but at the same pressure.
Which of the following most likely indicates the melting point and boiling point of the substance?CorrectIncorrect
Question 4 of 5
4. Question1 point(s)
Pure water contains some dissolved air. A beaker containing a solution of sodium chloride in pure water has been boiling for 30 minutes. What is/are inside the bubbles in the boiling water?CorrectIncorrect
Question 5 of 5
5. Question1 point(s)
Which of the following gives out heat energy and involves the largest change in volume?CorrectIncorrect