Activity 1.13| Class 9 Science |Matter in our Surroundings Sublimation of ammonium chloride

Activity _____________1.13
• Take some camphor or ammonium
chloride. Crush it and put it in a china
dish.
• Put an inverted funnel over the china
dish.
• Put a cotton plug on the stem of the
funnel, a

Fig. 1.7: Sublimation of ammonium chloride

A change of state directly from solid to gas
without changing into liquid state is called
sublimation and the direct change of gas to
solid without changing into liquid is called
deposition

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