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Question
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 :
Options
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
Solution
Bromine is heavier than air
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