safethrower
safethrower safethrower
  • 07-03-2019
  • Chemistry
contestada

Which of these is an indication that a chemical reaction has occurred?

A. Freezing of a substance
B. Boiling of a substance
C. Melting of a substance
D. a change in color of a substance

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khameleonjr10
khameleonjr10 khameleonjr10
  • 07-03-2019

D. a change in color of a substance

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