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65.
What is the phase change if the temperature changes from 25 to 75 degrees at 1.0 atmospheres?

A.   melting

B.   boiling

C.   condensation

D.   sublimation
     
At 25 degrees and 1.0 atmosphere the chemical is a solid.

At 75 degrees and 1.0 atmosphere the chemical is a gas.

The change in phase is sublimation.

The Correct Answer is D.