Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Ultraviolet Visible Radio-waves Infrared Ultraviolet Visible Radio-waves Infrared ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Different atomic number and different number of valence electrons Same number of electrons and neutrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Different atomic number and different number of valence electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main buffer system of the human blood is CH3COOH - CH3COO- H2CO3 - HCO3 H2CO3 - CO32- NH2CONH2 - NH2CONH+ CH3COOH - CH3COO- H2CO3 - HCO3 H2CO3 - CO32- NH2CONH2 - NH2CONH+ ANSWER DOWNLOAD EXAMIANS APP
Chemistry The acid which fails to liberate carbon dioxide from sodium bicarbonate is : Acetic acid Carbonic acid Sulphuric acid Formic acid Acetic acid Carbonic acid Sulphuric acid Formic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the major pollutants of cigarette smoke? Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and dioxin Carbon monoxide and benzene Carbon monoxide and nicotine Dioxin and benzene Carbon monoxide and dioxin Carbon monoxide and benzene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one out of the following helps in burning ? Carbon dioxide Oxygen Nitrogen Carbon monoxide Carbon dioxide Oxygen Nitrogen Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP