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3. You can observe mothballs disappearing in cabinets. What do you think is the
reason for this? Do all substances behave like mothballs at normal conditions?
Explain by citing some examples.​


Sagot :

Mothballs disappear because they are composed of a weak molecular structure called naphthalene or paradichlorobenzene. Mothballs change from a solid into a gas in a process called sublimation.