Multiple choice

Which one of the following is used as is anti-freeze for automobile engines?

  1. Propyl alcohol

  2. Ethanol

  3. Methanol

  4. Ethylene glycol
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ethylene glycol is widely used as an automotive antifreeze because it lowers the freezing point of water in the cooling system. Other alcohols like methanol or ethanol are less effective or too volatile for this specific purpose.

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