Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Argon Oxygen Krypton Nitrogen Argon Oxygen Krypton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Asthma Silicosis Pneumoconiosis Cancer Asthma Silicosis Pneumoconiosis Cancer ANSWER DOWNLOAD EXAMIANS APP
Chemistry For extinguishing fire, we use Marsh gas Carbon Monoxide Carbon Dioxide Hydrogen Marsh gas Carbon Monoxide Carbon Dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry If we burn graphite, It will not burn It will change into diamond Residue will be left No residue will be left It will not burn It will change into diamond Residue will be left No residue will be left ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and dioxin Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and dioxin Carbon monoxide and nicotine ANSWER DOWNLOAD EXAMIANS APP