why would it not be useful to just use pure ethanil or pure ethylene glycol as aN ANTIFREEZE SINCE THEIR NORMAL FREEZING POINTS are -114.1 degrees celsius and -12 degrees celsius respectively

Answer 1

Ethanol's boiling point is too low for use in automobile engines. Ethylene glycol doesn't have the specific heat capacity that water has.

Answer 2

i put that water neeed to be mix to lower the freezing point temp and not to damage the radiator