What chemical in antifreeze prevents it from freezing?

What chemical in antifreeze prevents it from freezing?
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1 Answer

Answer :

This chemical is frequently the propylene glycol.
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Description : (3) prevents freezing of petrol Explanation: Ethylene glycol (IUPAC name: ethane-1,2-diol) is an organic compound widely used as an automotive antifreeze and a precursor to polymers. In its pure form, it is ... A mixture of 60% ethylene glycol and 40% water freezes at -45 degree C (- 49 degree F).

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