RapidBeater6060 RapidBeater6060
  • 04-09-2017
  • Chemistry
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Chemical changes sometimes produce a gas which you can detect by observing

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Kalahira
Kalahira Kalahira
  • 13-09-2017
Observations of a chemical change is when chemical changes sometimes produce a gas, which you can detect by observing bubbles or by a change in odor. A chemical reaction is usually accompanied by easily observed physical effects, such as the emission of heat and light, the formation of a precipitate, the evolution of gas, or a color change.
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