Chemistry The gas causing acid rain in an industrial area is Carbon dioxide Carbon monoxide Sulphur dioxide Methane Carbon dioxide Carbon monoxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the combination of CO and H2O CO and H2 CO2and H2 CO2 and CO CO and H2O CO and H2 CO2and H2 CO2 and CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pyrethrin used in mosquito coil is obtained from A seed plant A fungus A bacterium An insect A seed plant A fungus A bacterium An insect ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Oxygen Ozone Nitrogen Chlorine Oxygen Ozone Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Distillation Fractional distillation Evaporation Filtration Distillation Fractional distillation Evaporation Filtration ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Reducing agent Coagulant aid Adsorbent Oxidizing agent Reducing agent Coagulant aid Adsorbent Oxidizing agent ANSWER DOWNLOAD EXAMIANS APP