Praxis 5005 Practice Test Practice Question
The melting of an ice cube in a glass of water is an example of a
Correct Answer: A
Rationale: The melting of an ice cube in a glass of water exemplifies a physical change, as it involves a transition from solid to liquid without altering the chemical composition of water (H₂O).
Option B, a chemical reaction, involves the formation of new substances, which does not occur during melting.
Option C, a metabolic process, refers to biochemical reactions within living organisms, making it irrelevant in this context.
Option D, a decay mechanism, pertains to the breakdown of organic matter, which is unrelated to the physical state change of ice to water.
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