Question : Which of the following gases is filled into incandescent bulbs to prolong the life of the filament?
Option 1: Ozone
Option 2: Nitrogen
Option 3: Oxygen
Option 4: Carbon Dioxide
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Correct Answer: Nitrogen
Solution : The correct option is Nitrogen.
Nitrogen is an inert gas that helps to reduce the degradation of the tungsten filament in incandescent bulbs by minimising oxidation. Nitrogen creates an environment inside the bulb that slows down the wear and tear on the filament, thereby extending the life of the bulb.
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Question : Which of the following gases is used in the manufacture of soft drinks?
Option 1: Oxygen
Option 2: Carbon dioxide
Option 3: Carbon monoxide
Option 4: Radon
Question : Which of the following gases is used to inflate the car tyres?
Option 1: Nitrogen
Option 2: Argon
Option 3: Hydrogen
Option 4: Carbon dioxide
Question : Dry ice is the solid form of_____.
Option 1: carbon dioxide
Option 2: nitrogen
Option 3: oxygen
Option 4: hydrogen
Question : Which of the following is the product of the process of photosynthesis?
Option 1: Ammonia
Option 2: Chlorine
Question : Which of the following has deuterium as one of its isotopes?
Option 2: Carbon
Option 4: Oxygen
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