4 years ago

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

2 answers:

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]4 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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Tanzania [10]

Answer:

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Explanation:

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tensa zangetsu [6.8K]

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Genrish500 [490]

Answer:

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