Dental Admissions Test (DAT) Practice Test

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Prepare for the Dental Admissions Test with our comprehensive quiz! Enhance your knowledge with multiple choice questions designed to simulate the actual DAT experience, complete with hints and detailed explanations. Ace your dental school application!

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What is the name of the process by which a solid changes directly to a gas?

Evaporation
Sublimation
Condensation
Deposition

The correct answer is: Sublimation

Sublimation is the process by which a solid changes directly into a gas without first becoming a liquid. This option is correct as it accurately describes the process described in the question. Evaporation (A) and Condensation (C) are incorrect as they refer to the process of a liquid changing into a gas and a gas changing into a liquid, respectively. These processes do not involve a solid. Deposition (D) is incorrect as it is the opposite of sublimation - the process where a gas changes directly into a solid, bypassing the liquid stage. This is not the process described in the question.