Important Questions on Environmental Chemistry Dust, mist, fumes, smoke, smog etc. are called _____ pollutants. Carbon monoxide combines with hemoglobin of red blood corpuscles to form _____.(Oxyhemoglobin/carboxyhemoglobin) The loss of green colour in plants due to the presence of even a very low concentration of SO 2 Organic particulates include PAH which is an abbreviation for _____ aromatic hydrocarbon .(polycyclic/polyvinyl ) The disease of lungs commonly found in industrial workers due to the entry of particulates in the lungs is called _____(pneumoconiosis/liver cirrhosis). Earth’s protective umbrella existing in the stratosphere is known as _____. What are the two main chemicals responsible for the depletion of the ozone layer. Formation of London smog is initiated by a mixture of _____, _____ and _____ and is formed in the _____ season. 
