Chemistry Which of the following metals is not a pollutant ? Arsenic Mercury Lead Aluminium Arsenic Mercury Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of SO2 Unburnt petrol CO2 CO SO2 Unburnt petrol CO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Renewable Non-renewable Biotic Abiotic Renewable Non-renewable Biotic Abiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Glycol is used to manufacture which of the following ? Artificial silk Nylon Rubber Terylene Artificial silk Nylon Rubber Terylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas causing acid rain in an industrial area is Carbon monoxide Carbon dioxide Sulphur dioxide Methane Carbon monoxide Carbon dioxide Sulphur dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of gas constant R in Ergs deg–1 mole–1 is 8.413 × 107 8.314 × 107 4.183 × 107 8.341 × 107 8.413 × 107 8.314 × 107 4.183 × 107 8.341 × 107 ANSWER DOWNLOAD EXAMIANS APP