What is sublimation? Example.

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Study for the Cambridge Science – States of Matter Test. Prepare with flashcards and multiple choice questions, with hints and explanations for each question. Ready yourself for your exam!

Multiple Choice

What is sublimation? Example.

Explanation:
Sublimation is a phase change where a solid becomes a gas directly, skipping the liquid stage. This happens when the solid’s particles gain enough energy to break free and enter the gas phase. A classic example is dry ice, solid carbon dioxide, which at room temperature turns straight into CO2 gas. The other processes describe melting (solid to liquid), boiling or evaporation (liquid to gas), and deposition (gas to solid), which are different transitions.

Sublimation is a phase change where a solid becomes a gas directly, skipping the liquid stage. This happens when the solid’s particles gain enough energy to break free and enter the gas phase. A classic example is dry ice, solid carbon dioxide, which at room temperature turns straight into CO2 gas. The other processes describe melting (solid to liquid), boiling or evaporation (liquid to gas), and deposition (gas to solid), which are different transitions.

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