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A student does not observe a change when holding a test tube in a flame. However, a change is expected. What is the most likely reason for this?
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A student does not observe a change when holding a test tube in a flame. However, a change is expected. What is the most likely reason for this?

User Ldindu
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2 Answers

2 votes
Heat is energy, and that energy would eventually cause the object to undergo a phase change.
User Mikebader
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3 votes

D. The reactants were not heated long enough.

User Carmi
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