Question

why is water used in car radiators? Ans in few words​

Answer 1

Answer:

The coolant in radiators is water based but it often contains a mix of Glycol antifreeze when used in cooler or cold environments. Water is used because it's readily available and has a high “Specific Heat;” the capacity to ready absorb heat while minimally increasing the temperature of the water.

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Answer 2

Water has a very high specific heat capacity, that is, to raise the temperature of unit mass of water by 1 °C, a large amount of heat is required.

Car radiators get heated up by large temperatures. Water can easily take up this heat without getting heated up itself.

This cools the radiators quickly. Hence, water is used in car radiators as a coolant.