BI-426
Diffusion
Biology · Secondary 3 · Medium · Diffusion
A dialysis tubing filled with concentrated blue dye solution is placed in a beaker of clear water. After 30 minutes, the water in the beaker becomes pale blue. Which process best explains this colour change?
- Dye molecules move out by diffusion.
- Dye molecules move out by osmosis.
- Water molecules move in by diffusion.
- Water molecules move in by osmosis.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.