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.

Respuesta :

02-11-2017

Your answer is C - Melting of a substance

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carolineandlily carolineandlily

02-11-2017

I think b.) cause its evaporating

;)

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