Chemistry, 11.02.2021 17:30 dvandebrake2002

A fifth-grade science class puts half of a white tablet in a test tube with 10 milliliters (mL) of water at 21°C (70°F). The tablet bubbles rapidly for three minutes until it is gone. Students record the final temperature at 20°C (68°F). Which choice best identifies evidence that a chemical reaction occurred?

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