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 in automotive antifreeze because it effectively lowers the freezing point of water. Sodium chloride is corrosive, and the others are not used for this specific purpose.