Question : Which among the following elements is used in moisturising creams and soaps because of its hygroscopic properties?
Option 1: Galena
Option 2: Ethanol
Option 3: Freon
Option 4: Glycerol
Correct Answer: Glycerol
Solution : The correct answer is Glycerol.
Glycerol is used in moisturising creams and soaps because it has hygroscopic properties. Hygroscopic properties are related to humidity, which means the element can hold water molecules or attract water molecules from the environment or its surroundings, and it becomes a useful product in hydrating and moisturising the skin. That's why glycerol is used in moisturisers and other products because of its hygroscopic properties.
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