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प्रश्न
Photochemical smog always contains ______.
विकल्प
aluminium ions
methane
ozone
sulphur
MCQ
रिक्त स्थान भरें
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उत्तर
Photochemical smog always contains ozone.
Explanation:
Photochemical smog is primarily formed by the reaction of nitrogen oxides and hydrocarbons in the presence of sunlight, producing secondary pollutants such as ozone (O3), peroxyacetyl nitrate (PAN), and other oxidizing compounds. Ozone is a key component of photochemical smog and is always present in it, contributing to its harmful oxidative effects on living organisms and materials.
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