A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder. Suppose the following three liquids were placed in the same tall, narrow glass cylinder: The substance that should be placed first in the cylinder so that it is on the bottom is ________.

Question

A popular science demonstration is to take several liquids that will not mix together and "stack" these liquids in a tall glass cylinder. Suppose the following three liquids were placed in the same tall, narrow glass cylinder:  The substance that should be placed first in the cylinder so that it is on the bottom is ________.

Quizplus · Accepted Answer

The general rule for stacking liquids is to place the densest liquid at the bottom and the least dense liquid at the top. Corn syrup is denser than vinegar and motor oil, so it should be placed first in the cylinder to be at the bottom. Therefore, the answer is choice C, corn syrup.

A Popular Science Demonstration Is to Take Several Liquids That