When a dark grey solid iodine is heated, it changes directly into a purple gas without melting. Which term describes this phase change?

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A Evaporation
B Condensation
C Sublimation
D Melting

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Answer: C. Sublimation

Answer: C) Sublimation
Explanation: Sublimation is the process where a solid transitions directly into a gas without passing through the liquid state. Iodine is a classic example of a substance that sublimates.

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When a dark grey solid iodine is heated, it changes directly into a purple gas without melting. Which term describes this phase change?

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