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. | |