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Why is it advised to add ethylene glycol...

Why is it advised to add ethylene glycol to water in car radiator while driving in a hill station?

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### Step-by-Step Solution: 1. **Understanding the Context**: In hill stations, the temperature can drop significantly, often below the freezing point of water. This can lead to problems in car radiators if the coolant freezes. 2. **Function of Coolant**: The primary function of a coolant in a car radiator is to regulate the engine temperature. It absorbs heat from the engine and dissipates it through the radiator. 3. **Freezing Point of Water**: Pure water freezes at 0°C (32°F). If the coolant in the radiator freezes, it can cause serious damage to the engine and the cooling system. ...
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