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julia-pushkina [17]
3 years ago
10

Methods scientists use to determine if a change was physical or chemical.

Chemistry
2 answers:
Tpy6a [65]3 years ago
7 0
Chemical reactions can be identified when there is a change in color, energy is produced, change in odor, or if new substance forms.
alukav5142 [94]3 years ago
5 0
Chemical change can be determine by
change in color
energy
change in odor
rusting metal
wood burning
Physical change can be determine by
Ripping of paper
Sharpening of a pencil
Boiling of water
Melting an ice cube
Braking of glass

hope it helps



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