A) Concentrated hydrochloric acid emits strongly smelling \[HCl\] gas all the time
B) Oxygen in air reacts with the emitted \[HCl\] gas to form a cloud of chlorine gas
C) Strong affinity of \[HCl\] gas for moisture in air results in forming of droplets of liquid solution which appears like a cloudy smoke
D) Due to strong affinity for water, concentrated hydrochloric acid pulls moisture of air towards itself. This moisture forms droplets of water and hence the cloud
Correct Answer: B
Solution :HCl is a gas.
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