CH-1538
Diffusion
Chemistry · Secondary 4 · Medium · Diffusion
A student places a cotton wool pad soaked in concentrated hydrochloric acid at one end of a sealed glass tube and a pad soaked in aqueous ammonia at the other end.
After a few minutes, a white ring of ammonium chloride forms closer to the hydrochloric acid end.
Which process causes the gases to meet and form the ring?
After a few minutes, a white ring of ammonium chloride forms closer to the hydrochloric acid end.
Which process causes the gases to meet and form the ring?
- condensation
- crystallisation
- diffusion
- filtration
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