1.

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 :A. air is heavier than bromineB. both air an bromine have the same densityC. bromine is heavier than airD. bromine cannot be heavier than air because it is going upwards against gravity

Answer» Correct Answer - C


Discussion

No Comment Found