Ajscipio8 Ajscipio8

28-12-2019
Chemistry

contestada

Which two observations below can be evidence that a chemical change has occurred
A. Production of bubbles (a gas)
B. melting
C. vaporization
D. production of heat

Respuesta :

28-12-2019

Vaporization and Production of bubbles. Production of heat and melting are physical changes

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