Chemistry Exam 4 / 5
Mix, Melt & Dissolve
After oil and water are shaken together and left to settle, the oil forms the top layer. Why does the oil float?
About this quiz
From fizzy drinks to floating balloons, chemistry is all around you.
How to play
- 1 Answer five multiple-choice questions in each round.
- 2 Use the diagrams when a question asks you to read or interpret one; other images are just for fun.
- 3 Score at least 80% to pass.
Try 20 easy questions followed by five that take a little more thought. No lab coat required!