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
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Correct Answer: Acetylene
Solution : The correct answer is Acetylene.
Fruits can be artificially ripened in certain countries by using Ethylene gas (C2H2). Similar to the natural ripening agent Ethylene (C2H4), Calcium carbide produces Acetylene gas (C2H2) when it comes into contact with moisture. Ripening is sped up by Acetylene.
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Question : Which among the following gases is used as an anaesthetic in dental surgery?
Option 1: Nitrous oxide
Option 2: Radon
Option 3: Argon
Option 4: Helium
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
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
Question : Which among the following terms means growing fruits?
Option 1: Apiculture
Option 2: Arboriculture
Option 3: Pomiculture
Option 4: Sericulture
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
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