1.

Which of the following is redox reaction                [CBSE PMT 1997]

A.                 \[{{H}_{2}}S{{O}_{4}}\] with \[NaOH\]
B.                 In atmosphere, \[{{O}_{3}}\] from \[{{O}_{2}}\] by lightning
C.                 Evaporation of \[{{H}_{2}}O\]
D.                 Nitrogen oxides form nitrogen and oxygen by lightning
Answer» E.


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