What everyday observation shows diffusion in air?
Perfume smell spreads across a room.
Steam rises above a kettle.
Ice melts in a warm room.
Rainwater runs down a window.
Flashcards for CIE IGCSE Chemistry Diffusion, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended), plus Paper 5 or Paper 6. 26 cards, matched to the CIE IGCSE Chemistry (0620) specification.