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2 cards from this section. Quick, good the night before a test.
What does a color change indicate in a chemical reaction?
Think about whether substances change when there's color change.
What color is copper sulfate solution?
Recall the common color associated with copper compounds.
What does a fading blue color in a chemical reaction indicate?
Think about what happens during the reaction!
True or False: Color change can indicate whether a chemical reaction is happening.
Recall the indicators of chemical reactions we've discussed.
In an experiment, a student observes that the blue color of copper sulfate fades after adding an iron nail. Explain the chemical process happening at a molecular level and why color changes are significant.
Consider the reactants and the products and how the molecular structures change.
A scientist mixes two clear solutions that yield a bright orange precipitate. Discuss the role of color change in identifying the reaction and the products formed.
Think about how the visibility of the product helps link back to the reactions that produced it.
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