Sublimate substances are
Sublimate substances, such as camphor, naphthalene, and ammonium chloride, transition directly from solid to vapor phase. These substances exhibit sublimation behavior, seen in various applications like mothballs, vaporizers, and laboratory processes.
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The correct answer is option [D] All of the above. Sublimate substances refer to those that undergo sublimation, transitioning directly from solid to vapor phase. Camphor, naphthalene, and ammonium chloride are examples of such substances. Camphor and naphthalene are commonly encountered examples, used in products like mothballs and vaporizers. Ammonium chloride, often used in laboratories, also sublimes when heated, forming white fumes. Therefore, all options—camphor, naphthalene, and ammonium chloride—exhibit sublimation behavior, making option [D] the correct choice.