Chemistry Which of the following is secondary air pollutant ? Photochemical smog NO2 SO2 Dust particles Photochemical smog NO2 SO2 Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cooking gas is a mixture of Methane and ethylene Butane and propane Carbon dioxide and oxygen Carbon monoxide and carbon dioxide Methane and ethylene Butane and propane Carbon dioxide and oxygen Carbon monoxide and carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 50 100 200 500 50 100 200 500 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The increasing abundance of green house gases in atmosphere has led to the following effect except Oxygen fertilization effect Depletion of ozone layer in the stratosphere Carbon dioxide ferilization effect Global warming Oxygen fertilization effect Depletion of ozone layer in the stratosphere Carbon dioxide ferilization effect Global warming ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called NOAEL LD50 LC50 ADI NOAEL LD50 LC50 ADI ANSWER DOWNLOAD EXAMIANS APP
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