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Q & A: partially frozen orange juice

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Most recent answer: 07/30/2011
I am doing an experiment for school and I had to freeze both water and orange juice. I did it and they both froze but the orange juice was easier to bite into. So what is in orange juice that does not completely freeze?
- Kathryn (age 12)
OJ has a lot of sugar and potassium salts in it. At the temperature of a typical freezer, those will form a dense solution, not quite frozen, since solutes lower the freezing point. In between the ice crystals there will be layers of this syrup so it won't be a solid block.

Mike W.

(published on 07/30/2011)

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