Clueless2000 Clueless2000

01-09-2017
Chemistry

contestada

a substance undergoes change. Which Of the following indicates that the change was a chemical change?

a. the substance changed state.
b. the molecules of the substance changed
c. the substance changed shape.
d. the density of the substance changed.

Respuesta :

travis4215 travis4215

03-09-2017

the answer is bthe molecules of the substance changed

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