CH-1540
Diffusion
Chemistry · Secondary 4 · Medium · Diffusion
Which statement best describes diffusion of perfume particles in air when a bottle is opened in one corner of a room?
- Perfume particles move randomly from a region of high concentration to low concentration until evenly spread.
- Perfume particles are pulled across the room by gravity acting on the liquid.
- Air particles carry the perfume only if the room is heated strongly.
- Perfume particles move only when someone walks past and pushes them.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.