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When a white powder is added to a liquid in a beaker at room temperature, the beaker becomes too hot to touch. What kind of reaction is this an example of? A. a fusion reaction B. a combustion reaction
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When a white powder is added to a liquid in a beaker at room temperature, the beaker becomes too hot to touch. What kind of reaction is this an example of?

A. a fusion reaction
B. a combustion reaction
C. an exothermic reaction
D. an endothermic reaction

User Kandinski
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C. an exothermic reaction
User Jack Krupansky
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