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Atmosphere — Geography STD 11 Arts — Question

Gujarat BoardEnglish MediumSTD 11 ArtsGeographyAtmosphere1 Mark
MCQ
Which gas is a disinfectant?
  • ✓
    Ozone
  • B
    Organ
  • C
    Nitrogen
  • D
    Oxygen
✓

Answer

Correct option: A.
Ozone

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