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When an athlete gets hurt they apply sometimes an instant cold pack to the injury. the instant cold pack works by mixing two chemicals that create a chemical reaction. what evidence is there that a chemical
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When an athlete gets hurt they apply sometimes an instant cold pack to the injury. the instant cold pack works by mixing two chemicals 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

User Artharos
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2 Answers

5 votes

yes of course the answer is D, temperature change.

User ArnSoos
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3 votes
the answer would be D
User Victor Sorokin
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