Which of the following pairs is not correctly matched.
Which of the following pairs is not correctly matched.
A. Allotropic form of sulphur which is more stable at room temperature - Rhombic
B. The hydride of group 16 which is liquid at room temperature - Water
C. The gas formed in the upper layers of atmosphere by action of UV radiations - Nitrogen
D. The catalyst used in the manufacture of `H_(2)SO_(4)` by contact process - Vanadium pentoxide
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Correct Answer - C
The gas formed in the upper layers of atmosphere by action of UV radiations is ozone.
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