Chemistry Laughing gas is Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen trioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Silicosis Asthma Cancer Pneumoconiosis Silicosis Asthma Cancer Pneumoconiosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Galvanisation Corrosion Sublimation Reduction Galvanisation Corrosion Sublimation Reduction ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple internal reflections Multiple surface reflections Highest refraction Hundred percent transmission Multiple internal reflections Multiple surface reflections Highest refraction Hundred percent transmission ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 500 50 200 100 500 50 200 100 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The minimum energy required for an effective collision is Internal energy Threshold energy Free energy Activation energy Internal energy Threshold energy Free energy Activation energy ANSWER DOWNLOAD EXAMIANS APP