carlyb333 carlyb333
  • 02-12-2014
  • Chemistry
contestada

how do you know if a chemical change has taken place?

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dlpeckham dlpeckham
  • 02-12-2014
There are a few ways to tell if a reaction has taken place, these include temperature change, color change, formation of a precipitate, bubbling, and even odors. These all indicate that a chemical change has taken place.
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