29. With the help of an activity, describe the
phenomenon of sublimation
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Sublimation is the process of change of gaseous state to solid state without going through the liquid state. We can show this from a activity : Take some camphor or ammonium chloride. We can observe the change of state directly from solid to gas without changing into liquid state.
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Answer:
Sublimation is the process of change of gaseous state to solid state without going through the liquid state.
We can show this from a activity :
• Take some camphor or ammonium chloride.
crush it and put it in a China dish.
• Put an inverted funnel over the dish.
• Put a cotton plug on the stem of the funnel.
• Now, heat slowly and observe.
The diagram you can see from the NCERT
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