Chemistry A powerful eye irritant present in smog is Peroxyacetyl nitrate Carbon dioxide Nitric oxide Sulphur dioxide Peroxyacetyl nitrate Carbon dioxide Nitric oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brine refers to : Sweet water Salt water Pure water Starch water Sweet water Salt water Pure water Starch water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas present in the stratosphere which filters out some of the sun's ultraviolet light and provides an effective shield against radiation damage to living things is oxygen ozone methane helium oxygen ozone methane helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a man-made source of air pollution ? All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust All of these Forest fire Bacterial action in soil and swamp areas Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Chemistry The monomer of polythene is ethyl alcohol None of these ethylene vinyl chloride ethyl alcohol None of these ethylene vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Carbon monoxide Oxides of nitrogen Lead Polycyclic hydrocarbons Carbon monoxide Oxides of nitrogen Lead Polycyclic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP