as12344c
as12344c as12344c
  • 15-12-2020
  • Chemistry
contestada

how will we know that a chemical reaction happened if we cant see atoms??

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Mohed34
Mohed34 Mohed34
  • 15-12-2020

we can do soo by noticing any colour change, or by the formation of an insoluble precipitate or by the evolution of a gas.

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