mey2003 mey2003

18-03-2016
Physics

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In physical science lab, Ben and Jerry added small pieces of magnesium to hydrochloric acid. They noticed that bubbles formed, the test tube got hot, and the magnesium disappeared. What is a sign that a chemical reaction has taken place in this experiment?

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jessla314 jessla314

20-03-2016

The signs of a chemical reaction are bubbles, heat an magnesium disappearing.

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