Question

Write applications of depression in freezing point.

Answer 1

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applications of depression in freezing point:-

1) the vehicles run under sub - zero conditions by adding non - volatile solute to the radiators of vehicles so that the freezing point of the coolent is depressed. most commonly used is ethyl glycol.

2)salt or magnesium chloride is sprinkled over the roads on falling snow so that backage of road is prevented.

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Answer 2

Applications of depression in freezing point are as follows :-


1) In automobiles , radiator fluid is made up of mixture of water and ethylene glycol. It is because of freezing point depression, radiators do not freeze in winters.


2) Salt is sprinkled over icy roads, so that the ice melts away and no slippery surface is left.The salt lowers the freezing point of the ice, thus it melts easily. Salts such as Calcium Carbonate, Magnesium chloride , Sodium Chloride, etc are used for the same.