harithjoypesp6vjby harithjoypesp6vjby

18-08-2018
Chemistry

contestada

Cold packs contain chemical that react to absorb heat. Which substances is used in cold packs?

A. Calcium Chloride
B. Sodium Carbonate
C. Magnesium sulphate
D. Ammonium nitrate

Respuesta :

Dawniee Dawniee

18-08-2018

D. Ammonium Nitrate. Firstly, I know because its the substance that when dissolved in water is colder than the beginning liquid, and Secondly, I cheated and looked in my first aid kit on an ice pack

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