Multiple Choice
Which of the following is the best evidence that a chemical change has occurred?
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1. Intro to General Chemistry
Physical & Chemical Changes
Back1. Intro to General Chemistry
Physical & Chemical Changes
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- Open Question
Which actions are evidence that a chemical reaction has occurred? Check all that apply.
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- Multiple ChoiceWhen a solution containing dissolved elements and compounds is left to evaporate, what typically happens to the dissolved substances after the water has evaporated?125views