Which of the following statements is true about photochemic…

Chemistry Enviromental Chemistry ( Not In Syllabus ) Gaseous Air Pollutants Single Correct MCQ

Published on: August 14, 2026

Which of the following statements is true about photochemical smog ?

It is reducing in nature.

it is formed in winter.

It is a sulphurous smog.

Components of the smog, NO and O 3 , irritate the nose and throat and their high concentration causes headache, chest pain, dryness of the throat, cough and difficulty in breathing.

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Photochemical somg is occures in warm, dry and sunny climate. It has high concentration of NO, NO 2 and O 3 . Their low concentration causes irritation in nose and throat and their high concentration causes headache, chest pain, cough and diffculty in breathing.

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