Which of the following statements about polar stratosphere clouds (PSCs) is not correct?

Question

TuteeHUB · Accepted Answer

Type I clouds are formed at about $$-\,77{}^\circ C$$ and contain solid $$HN{{O}_{3}}.3{{H}_{2}}O$$

TuteeHUB · Answer

PSCs do not react with chlorine nitrate and HCL

TuteeHUB · Answer

Type II clouds are formed at about $$-\,85{}^\circ C$$and contain some ice

TuteeHUB · Answer

A tight whirlpool of wind called Polar Vortex is formed which surrounds Antarctica

1.	Which of the following statements about polar stratosphere clouds (PSCs) is not correct?
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
Answer» B. Type I clouds are formed at about \[-\,77{}^\circ C\] and contain solid \[HN{{O}_{3}}.3{{H}_{2}}O\]

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