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
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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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Question : Which among the following gases is used in the artificial ripening of fruits?
Option 1: Argon
Option 2: Freon
Option 3: Helium
Option 4: Acetylene
Question : Which among the following chemicals is used to purify water as a disinfectant?
Option 1: Chlorine
Option 3: Phosphor
Option 4: Teflon
Question : Which of the following elements is used in the manufacture of fertilisers?
Option 1: Fluorine
Option 2: Potassium
Option 3: Lead
Option 4: Aluminium
Question : Which among the following elements does not belong to the Halogens group?
Option 1: Astatine
Option 2: Helium
Option 3: Bromine
Option 4: Chlorine
Question : Which among the following is used to dilute oxygen in the gas cylinders used by divers?
Option 1: Krypton
Option 2: Argon
Option 4: Neon
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