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Solutions — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistrySolutions2 Marks
Question
(i) What are anti-freezing agents?
(ii) What is called de-icing agent?
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Answer

(i) The substance which when mixed with water reduces its freezing point is called anti-freezing.Example : Ethylene glycol
.(ii) The substance which reduces the freezing point of water and which when poured on ice melt it quickly, is called de-icing agent. For example : $NaCl , CaCl _2$ etc.

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