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• This is because naphthalene balls undergo sublimation process. The naphthalene balls keep on forming naphthalene vapors slowly which disappear into the air. The changing of a solid directly into vapors on heating and of vapors into solid on cooling, is kno
• The chemical naphthalene is an effective pesticide found in mothballs and other pest control products. Its strong odor also makes it a pest repellant. Naphthalene is registered for indoor and outdoor residential use. Used indoors, it kills moths and their