Discribe the activity of napteenball put into the woollen clothe see it next year what would you see
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Naphthalene is an organic compound which undergoes sublimation.
-->Naphthalene balls are kept in stored woollen and silk clothes etc to protect from the attack of moths and other insects.
---> It is noticed that if kept open,Naphthalene balls disappears with time without leaving behind any residue.
--->The naphthalene balls keep on forming naphthalene vapours slowly which disappears into air.
Hence for the above reasons, naphthalene balls are stored in tight packing
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why Robespierre become the leader after king but for one year onlywhy Robespierre become the leader after king but for one year only
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