Chemistry Which gas does not form the part of atmosphere ? Helium None of these Chlorine Nitrogen Helium None of these Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain' is caused due to air - pollution by Methane Carbon dioxide Nitrous oxide and sulphur dioxide Carbon monoxide Methane Carbon dioxide Nitrous oxide and sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition Infrared absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy UV absorption spectroscopy Infrared absorption spectroscopy UV photoelectron spectroscopy Rotational spectroscopy UV absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is nitrogen hydrogen oxygen carbon nitrogen hydrogen oxygen carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The alkaloid naturally found in coffee, cocoa and cola nut is Morphine Caffeine Cocaine Tannin Morphine Caffeine Cocaine Tannin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrogen trioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen trioxide Nitric oxide Nitrogen pentoxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP