Question:
Which of the following statements about photochemical smog is wrong?
(i) It has a high concentration of oxidising agents.
(ii) It has a low concentration of the oxidising agent.
(iii) It can be controlled by controlling the release of NO2
, hydrocarbons,
ozone etc.
(iv) Plantation of some plants like pinus helps in controlling photochemical
smog.
Solution:
Option (ii) It has a low concentration of the oxidising agent is the answer.