Question : The gas used for filling weather balloons is
Option 1: Helium
Option 2: Hydrogen
Option 3: Air
Option 4: Nitrogen
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Correct Answer: Helium
Solution : The correct option is Helium.
Helium is a common gas used to fill weather balloons. Because helium is lighter than air, it provides the buoyancy required to lift the weather balloon into the atmosphere. The gas provides the buoyancy required to transport equipment and sensors into the upper atmosphere in order to gather data on temperature, humidity, pressure, and other atmospheric parameters. Hydrogen was once frequently used for filling weather balloons, but due to its flammability, helium has become a safer and more regularly utilised alternative.
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Question : The gas which turn into liquid at the lowest temperature among the following is
Option 1: Hydrogen
Option 2: Oxygen
Option 3: Helium
Question : Which of the following is an inert gas?
Option 2: Nitrogen
Option 3: Oxygen
Option 4: Argon
Question : Which gas does not form the part of atmosphere?
Option 1: Nitrogen
Option 3: Chlorine
Option 4: Carbon dioxide
Question : The major constituent of air is
Option 2: Carbon dioxide
Option 4: Hydrogen
Question : ______ gas is used for the manufacturing of bleaching powder.
Option 2: Sulphur
Option 4: Chlorine
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