Naphthalene balls are used in above having clothes to protect clothes from insect. After a few days, the size of the ball gradually decreasing and ultimately disappear. How does it happen? Explain with reason.
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Because Naphthalene Ball is sublimatory substance. Sublimation is process in which solid changes into gas directly, without going in liquid state. So, naphthalene balls dissappear after sometime as it converts directly from solid to gas.
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