am7elinsLe9elrebac am7elinsLe9elrebac
  • 26-03-2017
  • Chemistry
contestada

List four common signs that a chemical reaction has occurred.

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DWS0810 DWS0810
  • 26-03-2017
Not sure if this is correct but here's my answers.
1. Colour change.
2. Change in volume of reactant.
3. Effervescence formed.
4. pH change.
5. Temperature change.
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