If a drop of red food coloring is added to a glass of water, how will the red-colored molecules move?
A) from an area of high concentration of red-colored molecules to an area of low concentration
B) from an area of low concentration of red-colored molecules to an area of high concentration
C) from an area of high concentration of water molecules to an area of low concentration
D) toward an area of low concentration of water molecules

Question

Quizplus · Accepted Answer

The red-colored molecules will move from an area of high concentration (the drop of food coloring) to an area of low concentration (the rest of the glass of water) through the process of diffusion.

If a Drop of Red Food Coloring Is Added to a Glass