Chemistry Pollutant from motor car exhaust that causes mental disease is Lead SO2 Hg NO2 Lead SO2 Hg NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Industrial waste Sullage Garbage Sanitary waste Industrial waste Sullage Garbage Sanitary waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Acidic soils Saline soils Podsols Alkaline soils Acidic soils Saline soils Podsols Alkaline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Methane Styrene Ethylene Acetylene Methane Styrene Ethylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) X–rays Ultraviolet rays (UV) Gamma rays Infra-red (IR) ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Green house effect None of these Smog Eutrophication Green house effect None of these Smog Eutrophication ANSWER DOWNLOAD EXAMIANS APP
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