Chemistry Charcoal is used in water treatment as a/an Solvent Adsorbent Coagulant Absorbent Solvent Adsorbent Coagulant Absorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry CNG used in automobiles to check pollution, mainly consists of CO2 H2 N2 CH4 CO2 H2 N2 CH4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation CO2 in the air Solar infrared radiation SO2 in the air Solar ultraviolet radiation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The BOD values of water indicate the Amount of organic debris Amount of oxygen used for biochemical reduction Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation Amount of organic debris Amount of oxygen used for biochemical reduction Amount of oxygen used for biochemical oxidation Amount of ozone used for biochemical oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is secondary air pollutant ? SO2 Photochemical smog NO2 Dust particles SO2 Photochemical smog NO2 Dust particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by NO2and particulates CO2and CFCs SO2 and NO2 SO2 and particulates NO2and particulates CO2and CFCs SO2 and NO2 SO2 and particulates ANSWER DOWNLOAD EXAMIANS APP
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