A) PSCs do not react with chlorine nitrate and HCL
B) Type I clouds are formed at about \[-\,77{}^\circ C\] and contain solid \[HN{{O}_{3}}.3{{H}_{2}}O\]
C) Type II clouds are formed at about \[-\,85{}^\circ C\]and contain some ice
D) A tight whirlpool of wind called Polar Vortex is formed which surrounds Antarctica
Correct Answer: A
Solution :
PSCs react with chlorine nitrate and HCl to give HOCl and \[C{{l}_{2}}\].
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