

MCQOPTIONS
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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. | |