1.For smog, which option is correct?a.Smog are of two types — classical smog and photochemical smogb.It is nonviable particulate pollutantc.Photochemical smog contains O3\mathrm{O_3}O3, NO\mathrm{NO}NO, acrolein, formaldehyde and peroxyacetyl nitrated.All of the aboveLogin to continueOnly logged in users canattempt or see the solution.
