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Class 11ChemistryEnvironmental ChemistryEnvironmental Study
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In the upper atmosphere,ozone is formed by the action of which of the following?

  • A
    Ultraviolet rays
  • B
    Cosmic rays
  • C
    Nitrogen oxides
  • D
    Thermal radiation of sunlight
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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Environmental Chemistry

Subtopic

Environmental Study

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