Chemistry Vulcanization of rubber is carried out by adding Ozone Phosphorus Sulphur Carbon Ozone Phosphorus Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Radio-waves Visible Infrared Ultraviolet Radio-waves Visible Infrared Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Reduction Galvanisation Sublimation Corrosion Reduction Galvanisation Sublimation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Oxides of nitrogen Smoke Oxides of sulphur Hydrocarbon Oxides of nitrogen Smoke Oxides of sulphur Hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is biodegradable ? D.T. Aluminium Paper Plastic D.T. Aluminium Paper Plastic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water in nature is Rain water Sea water River water Lake water Rain water Sea water River water Lake water ANSWER DOWNLOAD EXAMIANS APP