TeenOlaflover
TeenOlaflover TeenOlaflover
  • 02-11-2017
  • Chemistry
contestada

Which of these indicate that a chemical reaction has occurred?
A.) Formation of a gas.
B.) Boiling of a substance.
C.) Melting of a substance .
D.) Freezing of a substance.

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klupi
klupi klupi
  • 02-11-2017
Your answer is C - Melting of a substance 
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carolineandlily
carolineandlily carolineandlily
  • 02-11-2017

I think b.)  cause its evaporating


;)

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