1.

Which of the following statements about photochemical smog is wrong?

A.  It has high concentration of oxidising agents
B.  It has low concentration of oxidising agent  
C.  It can be controlled by controlling the release of\[N{{O}_{2}}\], hydrocarbons ozone, etc.
D.  Plantation of some plants like pinus helps in controlling photochemical smog.
Answer» C.  It can be controlled by controlling the release of\[N{{O}_{2}}\], hydrocarbons ozone, etc.


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