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.

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Chemical 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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