Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide Carbon monoxide Nitrogen dioxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Concentration of a material which is lethal to 50% animal is called LC50 LD50 NOAEL ADI LC50 LD50 NOAEL ADI ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Polycyclic hydrocarbons Oxides of nitrogen Lead Carbon monoxide Polycyclic hydrocarbons Oxides of nitrogen Lead Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one among the following is not a mixture? Brass Glass Steel Graphite Brass Glass Steel Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Carbon monoxide Sulphur dioxide Smoke Carbon dioxide Carbon monoxide Sulphur dioxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Nitrogen Carbondioxide Oxygen Ozone Nitrogen Carbondioxide Oxygen Ozone ANSWER DOWNLOAD EXAMIANS APP