Demonstrate that dissolving, mixing, and changes of state are reversible changes where no new materials are formed
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Question 1 of 3
Which of the following describes a reversible change and also explains how to reverse it?
Question 2 of 3
Sam tried four different things with everyday items. Which three of the following can be undone so that the original material is exactly the same as before?
Question 3 of 3
Lila performed four different experiments, each starting with a single material. Which experiment can be completely reversed so that every original material she began with is recovered exactly as it was before?
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