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Q & A: Can ice melt below zero Celsius?

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Most recent answer: 09/28/2011
Q:
Can ice melt below zero Celsius?
- shoaib (age 28)
Salalah, Oman
A:
Certainly. All that's needed is for it to contact some material that dissolves in liquid water. Ethanol, salt, and sugar are examples of such materials. In contact with table salt, ice will melt down to about -21C.

Mike W.

(published on 09/28/2011)

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