Chemistry Which one of the following elements is an example of noble gas ? Helium Chlorine Nitrogen Hydrogen Helium Chlorine Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercial nitric acid is coloured because it contains dissolved : Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen Coloured impurities Nitrous oxide Nitrogen dioxide Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is known as carbolic acid? Phenol Ethanol Oxalic acid Acetic acid Phenol Ethanol Oxalic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major gaseous pollutant of the thermal power station is NO2 NH3 SO2 H2 S NO2 NH3 SO2 H2 S ANSWER DOWNLOAD EXAMIANS APP
Chemistry Threshold limit value of copper in the atmospheric air is 0.001 mg/m3 0.01 mg/m3 1.0 mg/m3 5.0 mg/m3 0.001 mg/m3 0.01 mg/m3 1.0 mg/m3 5.0 mg/m3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Glucose Uric acid Urea Lactic acid Glucose Uric acid Urea Lactic acid ANSWER DOWNLOAD EXAMIANS APP