Chemistry The most abundant element by number in the living system is : Oxygen Nitrogen Carbon Hydrogen Oxygen Nitrogen Carbon Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is not a green house gas ? N2O CO2 CH4 Chlorofluorocarbons N2O CO2 CH4 Chlorofluorocarbons 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 Rotational spectroscopy UV photoelectron spectroscopy Infrared absorption spectroscopy UV absorption spectroscopy Rotational spectroscopy UV photoelectron spectroscopy Infrared absorption spectroscopy UV absorption spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following gases has the highest calorific value? Natural gas Indane gas Water gas Coal gas Natural gas Indane gas Water gas Coal gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Argon Sulphur Iodine Vanadium Argon Sulphur Iodine Vanadium ANSWER DOWNLOAD EXAMIANS APP
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