Question

Classical smog is oxidising smog whereas photochemical smog is reducing smog. Classical smog occurs in warm, dry and sunny climate whereas photochemical smog occurs in cool humid climate.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (D)

If both assertion and reason are false

Answer 2

Classical smog occurs in cool humid climate. Chemically it is a reducing mixture and so it is also called as reducing smog. Photochemical smog occurs in warm, dry and sunny climate. It has high concentration of oxidising agents and is therefore, called as oxidising smog.