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mash [69]
3 years ago
15

When an athlete gets hurt they apply sometimes an instant cold pack to the injury. The instant cold pack works by mixing two che

micals that create a chemical reaction. What evidence is there that a chemical reaction is taking place in the cold pack?
A) change in odor
B) change in color
C) formation of gas
D) temperature change
Chemistry
2 answers:
ruslelena [56]3 years ago
8 0
D temperature change
Rashid [163]3 years ago
6 0
The answer is D, temperature change.
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