Multiple choice

"Antifreeze" is used in car radiators to stop the liquid that cools the engine from, well, freezing when it gets cold outside. Water is one component of antifreeze; what is the other main component?

  1. Benzene

  2. Sodium chloride

  3. Acetone

  4. Ethylene glycol

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ethylene glycol is the primary component of most automotive antifreeze because it effectively lowers the freezing point and raises the boiling point of water.