Why a toy balloon filled with hydrogen rises to the ceiling, but if filled with carbon dioxide sinks to the floor
ICSE Class 9 Physics Chapter Upthrust in Fluids,Archimedes Principle and Floataion
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Hydrogen filled balloons generally rises up in the air. This is because hydrogen is less dense and its weight is also less than the air.
The one filled with carbon dioxide generally sinks down as it is denser than the air and due to its heavy weight, it cannot rise up to the ceiling.
The one filled with carbon dioxide generally sinks down as it is denser than the air and due to its heavy weight, it cannot rise up to the ceiling.
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Density of carbon dioxide is much more than the density of hydrogen, hence when a balloon is filled with hydrogen, the weight of the air displaced by an inflated balloon or the upthrust tends to become greater than the weight of the gas balloon that is filled causing it to rise. But when the balloon is filled with carbon dioxide, the balloon weight more than the upthrust offered by air causing it to sink to the floor.
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