naphthalene balls do not give a stain when kept between the woolen cloths?
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because they sublime
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Answer: Because it is a sublimating substance.
Explanation:
Sublimation is defined as a physical change in which a solid substance directly changes to gaseous state without changing into liquid state when there is increase in temperature.
Naphthalene is a sublimating substance and it undergoes sublimation process.
Thus, when naphthalene balls are kept between the woolen clothes, it gains heat from the woolen clothes and it directly changes to gaseous state without leaving any residue behind.
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