Which of the following situations provides evidence that a chemical change has taken place?
A. water, when boiled, evaporates, and turns into vapor
B. Sugar, when added to iced tea , dissolves into the liquid
C. Two liquids are mixed, in a solid substance formed
D. A piece of paper is cut into many small pieces
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Which of the following situations provides evidence that a chemical change has taken place?
A. wate...
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