Chemistry The metal ion present in Vitamin B12 is Cobalt Iron Nickel Zinc Cobalt Iron Nickel Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and benzene Carbon monoxide and nicotine Carbon monoxide and dioxin Dioxin and benzene Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Diamonds are glittering and attractive because light incident on them undergoes Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction Multiple internal reflections Multiple surface reflections Hundred percent transmission Highest refraction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Petroleum Coal Natural Gas Geothermal energy Petroleum Coal Natural Gas Geothermal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when kept in the open for sometime due to the formation of Carbonic acid Acetic acid Lactic acid Citric acid Carbonic acid Acetic acid Lactic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Helium Hydrogen Nitrogen Chlorine Helium Hydrogen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP