28. After 3 substances are mixed, an odor emits
a. chemical change
b. physical change
c. thermal energy is used
a do

A chemical change can cause an odor, however a physical change cannot, and the use of thermal energy will only make an object colder, not give it an odor.

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p6rgc62rtx p6rgc62rtx · Answer 2 · 2020-12-16T00:11:30+01:00

p6rgc62rtx p6rgc62rtx

16-12-2020

I'm pretty sure that the answer is a chemical change

a physical change is only something you can see and in the chemical change it is possible to smell it.

your welcome :)

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28. After 3 substances are mixed, an odor emits a. chemical changeb. physical changec. thermal energy is useda do​

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28. After 3 substances are mixed, an odor emits
a. chemical change
b. physical change
c. thermal energy is used
a do