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प्रश्न
When a gas jar full of air is placed upside down on a gas jar full of bromine vapours, the red-brown vapours of bromine from the lower jar go upward into the jar containing air. In this experiment :
विकल्प
air is heavier than bromine
both air and bromine have the same density
bromine is heavier than air
bromine cannot be heavier than air because it is going upwards against gravity
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उत्तर
Bromine is heavier than air
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