JEE Main 20204 Sep, Evening shiftChemistryEasyEnvironmental Chemistry92× since 2004The processes of calcination and roasting in metallurgical industries, respectively, can Iead to :AOption A. Global warming and photochemical smogBOption B. Photochemical smog and ozone layer depletionCOption C. Photochemical smog and global warmingDOption D. Global warming and acid rainCheckSkip · show solution
