These chemical reactions are endothermic reactions. You can try to replicate these reactions to make homemade cold packs.
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Endothermic vs. exothermic reactions (article)
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Endothermic Reaction
Endothermic vs. exothermic reactions (article)
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i need 15 examples of exothermic and endothermic reactions along
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Give 5 examples of exothermic reactions? Plz. Follow me.? - EduRev
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