Which of the following can be considered evidence of a chemical change? (Choose the four that...
Question:
Which of the following can be considered evidence of a chemical change? (Choose the four that apply)
A. Production of Bubbles
B. Color Change
C. Heat is released
D. Freezing
E. Melting
F. Evaporation
G. Dissolving
H. Production of a new substance
Evidence of Chemical Reactions
Chemical reactions, when they occur, often give some form of evidence to indicate the reaction has occurred. For example, milk spoilage produces a solid curd, which when properly controlled, makes cheese. This solid production is evidence a chemical reaction has occurred.
Answer and Explanation: 1
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View this answerChemical reactions give evidence that they have occurred. The best way to analyze this question is to analyze each answer choice to see if that...
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Chemical Change: Signs & Evidence
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Chapter 10 / Lesson 20
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Learn what chemical changes are and see the evidence and signs of chemical changes, as well as how they can serve as indicators of a chemical reaction.
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