Photochemical smog is a resultant of the reaction among
Options
(a)NO₂, O₃ and peroxyacetyl nitrate in the presence of sunlight
(b)CO, O₂ and peroxyacetyl nitrate in the presence of sunlight
(c)CO, CO₂ and NO₂ at low temperature
(d)High concentration of NO₂, O₃ and CO in the evening
The full breakdown is part of the paid archive
This question's answer, explanation and links to every related question across 48 years (1979–2026) are inside the app. The two most recent years are free to read in full — no account needed.
Class 12Geographical Perspective on Selected Issues and Problems— NCERT Geography, Chapter 9. The last chapter of the book takes a geographer's look at problems that growth has created. Pollution — the release of substances and energy from human waste — is…
Independent UPSC previous-year-questions study tool — not affiliated with or endorsed by the UPSC. Question text is reproduced from publicly released UPSC examination papers. UPSCviaPYQs · Privacy · Terms