Camphor disappears if kept in open air for few days
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it sublimes in air that's why it disappears
kwatrakashish02:
Can you explain it properly
yes
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"Camphor" is a "sublimatory substance" i.e., it goes through the "process of sublimation" in which a solid substance directly gets converted into its "gaseous phase" without going through its "intermediate liquid phase". Any substance is made of atom and molecules whose particles have by strong "inter molecular forces of attraction" between them. If these forces are weak, the particles can be separated easily, with small amount of energy. This happens in the case of camphor which gains this energy from the atmosphere and converts into its vapour phase.
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