Multiple Choice
Which statement best describes the difference between a physical change and a chemical change?
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1. Intro to General Chemistry
Physical & Chemical Changes
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What is the process called when water is heated and changes from a liquid to a gas?
A
Condensation
B
Sublimation
C
Freezing
D
Evaporation
Verified step by step guidance1
Identify the phase change described: water changing from a liquid to a gas.
Recall the names of common phase changes: condensation (gas to liquid), sublimation (solid to gas), freezing (liquid to solid), and evaporation (liquid to gas).
Match the described process (liquid to gas) with the correct term, which is evaporation.
Understand that evaporation occurs when molecules at the surface of a liquid gain enough energy to enter the gas phase.
Recognize that heating water provides the energy needed for evaporation to occur.
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