Question

what is antifreeze?​

Answer 1

Answer:

a liquid, typically one based on ethylene glycol, that can be added to water to lower the freezing point, chiefly used in the radiator of a motor vehicle.

Answer 2

Heyy Mate....!!!

A chemical that is added to the water in the radiator of cars and other vehicles to stop it from freezing is called antifreeze.

or,

An antifreeze is an additive which lowers the freezing point of a water-based liquid and increases its boiling point. An antifreeze mixture is used to achieve freezing-point depression for cold environments and also achieves boiling-point elevation to allow higher coolant temperature.