CH-591
Diffusion
Chemistry · Secondary 3 · Medium · Diffusion
A drop of blue dye is placed at the bottom of a beaker of water. After some time, the whole solution becomes uniformly blue.
Which statement best explains this observation using the particle model?
Which statement best explains this observation using the particle model?
- Water particles move only downwards, carrying the dye with them.
- Dye particles are heavier, so they sink and stay at the bottom.
- Dye and water particles move randomly and mix by diffusion.
- Water particles react chemically with the dye to form a blue compound.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.