Multiple choice

Among the many uses of water, in India, it is used as a coolant in cars. What is the reason for this?

  1. Coolants are scarcely available

  2. Water has a high specific heat

  3. Low freezing point

  4. Due to the presence of salts in coolants

  5. High boiling point
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Water is used as coolant in car radiators because it has high specific heat capacity of 4200 Joules. Due to its high specific heat capacity, it can absorb a large amount of heat energy from the engine of the car, but its temperature does not rise too high.

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