Question 11 MarkArsenic and Cadmium : Inorganic water pollutants : : Weedicides and insecticides : ………….AnswerOrganic water pollutants.View full question & answer→
Question 21 MarkCity where smoke and soot caused it to be called black city : Petersburg : : Indian city where worst ever industrial accident has occurred : ……………….AnswerBhopalView full question & answer→
Question 31 MarkIndustrialization: Sulphur compounds : :…………………. : Lead compoundsAnswerUse of fuels/TransportationView full question & answer→