ECZ Chemistry 5070 Practice Questions - Zambia School Certificate GCE - Chemistry (5070) Exam

Brownian motion of smoke particles in air is evidence that

smoke particles are being bombarded by randomly moving air molecules smoke particles decay radioactively and emit visible sparks air is a compound with a fixed formula rather than a mixture air molecules are stationary between collisions with the walls of the container

Correct Answer:

smoke particles are being bombarded by randomly moving air molecules

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