Chemistry Which one of the following contributes largely to the ‘green house effect’ ? Ozone Carbon monoxide Water vapour Carbon dioxide Ozone Carbon monoxide Water vapour Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Surface water is a better source of drinking water because it is poor in Dust Arsenic Algae Bacteria Dust Arsenic Algae Bacteria ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are NO, SO3 and H2S CO, CO2 and SO2 CO2, H2S and NO2 CO2, NO2 and SO3 NO, SO3 and H2S CO, CO2 and SO2 CO2, H2S and NO2 CO2, NO2 and SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Phosphorus pentoxide Red phosphorus Phosphorus trichloride White phosphorus Phosphorus pentoxide Red phosphorus Phosphorus trichloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Detergents are Sodium salt of benzoic acid Sodium salts of fatty acids None of these Sodium salts of sulphonic acids Sodium salt of benzoic acid Sodium salts of fatty acids None of these Sodium salts of sulphonic acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry KMnO4 can be used as Pesticide Fertilizer Insecticide Disinfectant Pesticide Fertilizer Insecticide Disinfectant ANSWER DOWNLOAD EXAMIANS APP
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