CAIE IGCSE Chemistry 1.2.1 Diffusion Using Kinetic Particle Questions
Use random particle motion and concentration gradients to explain diffusion and Brownian motion.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- define and identify diffusion as movement from higher to lower concentration
- explain Brownian motion using random bombardment by smaller particles
- explain how temperature affects diffusion rate
- distinguish diffusion, dissolving and related physical processes
CAIE IGCSE Chemistry 1.2.1 Diffusion Using Kinetic Particle Questions question 1
[Maximum number: 1]
Which description of Brownian motion is correct?
A
random movement of particles due to bombardment by larger particles
B
random movement of particles due to bombardment by smaller particles
C
random movement of particles from a high concentration to a low concentration
D
random movement of particles from a low concentration to a high concentration
B
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