Jee MainEnvironmental ChemistryJEE Main 2023 (Online) 1st February Morning ShiftMCQ+4 / -12023ENHIHow can photochemical smog be controlled?ABy using catalytic convertors in the automobiles/industry.BBy complete combustion of fuel.CBy using tall chimneys.DBy using catalyst.Check AnswerClear SelectionReveal AnswerShow Explanation