Chemistry Which of the following is the strongest base in aqueous solution ? Diethylamine Ethylamine Triethylamine Ammonia Diethylamine Ethylamine Triethylamine Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Polystyrene Teflon Polyurethane Metallic polysulphides Polystyrene Teflon Polyurethane Metallic polysulphides ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Carbonic acid Sulphuric acid Formic acid Acetic acid Carbonic acid Sulphuric acid Formic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, H2S and NO2 CO2, NO2 and SO3 CO, CO2 and SO2 NO, SO3 and H2S CO2, H2S and NO2 CO2, NO2 and SO3 CO, CO2 and SO2 NO, SO3 and H2S ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen Nitrogen dioxide Coloured impurities Nitrous oxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion of Ozone layer is mainly due to Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels Volcanic eruptions Radioactive rays Chlorofluorocarbons Aviation fuels ANSWER DOWNLOAD EXAMIANS APP