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Post Test: Earth Systems

Select the correct answer.

In his science class, Mr. Brown heats a small amount of iodine (a black solid) in a test tube. The iodine changes into a pink gas without changing into a liquid. What is this process called?

A. Condensation
B. Deposition
C. Evaporation
D. Melting
E. Sublimation



Answer :

GinnyAnswer

Final answer:

Sublimation is when a solid transitions directly to a gas phase. Deposition is the reverse process, where a gas changes directly to a solid state.


Explanation:

Sublimation is the process where a solid directly turns into a gas without passing through the liquid phase. An example is the solid iodine in the test tube being heated to form a purple gas. The reverse process, where a gas changes directly to a solid, is called deposition.


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