SC-427
Diffusion
Lower Sec Science · Secondary 1 · Medium · Diffusion
A student places a drop of blue ink in the centre of a beaker of still water. After 10 minutes, the water in the beaker is evenly light blue. Which statement best explains this observation using diffusion?
- Ink particles move randomly from high to low concentration until evenly spread.
- Water particles pull the ink particles only downwards by gravity.
- Ink particles become heavier and sink to the bottom permanently.
- Water particles stop moving so the ink can spread out.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.