Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Visible Ultraviolet Radio-waves Infrared Visible Ultraviolet Radio-waves ANSWER DOWNLOAD EXAMIANS APP
Chemistry The purest form of water is Distilled water Ground water Tap water Rain water Distilled water Ground water Tap water Rain water ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Neutrons Electrons Protons Positrons Neutrons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Fertiliser having high nitrogen content is : Ammonium nitrate Urea Calcium citrate Ammonium sulphate Ammonium nitrate Urea Calcium citrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Nitrogen Carbon dioxide Neon Carbon monoxide Nitrogen Carbon dioxide Neon Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Urea Ammonium sulphate Superphosphate Ammonium nitrate Urea Ammonium sulphate Superphosphate Ammonium nitrate ANSWER DOWNLOAD EXAMIANS APP