Which of the following is a …

Which of the following is a redox reaction-(1)H2SO4 with NaOH(2)in atmosphere O3 form O2 by lightning(3) nitrogen oxide forms nitrogen and oxygen by lightning(4) evaporation of waterExplain????
  • 1 answers

Ashutosh Jha 1 week, 1 day ago

Only option 4

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