Chemistry Pollutant from motor car exhaust that causes mental disease is SO2 NO2 Hg Lead SO2 NO2 Hg Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Sullage Garbage Industrial waste Sanitary waste Sullage Garbage Industrial waste Sanitary waste ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. There is no reaction. The paper ignites There is a crackling sound There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has High bond dissociation energy Smaller atomic radius Stable half filled 2p sub level High nuclear charge High bond dissociation energy Smaller atomic radius Stable half filled 2p sub level High nuclear charge ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultraviolet radiation striking the earth is due to the depletion of Oxygen Carbon dioxide Carbon monoxide Ozone Oxygen Carbon dioxide Carbon monoxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Carbon dioxide Carbon monoxide Nitrogen Oxygen Carbon dioxide Carbon monoxide Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP