General Science Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material? Plutonium Radium Thorium Radan Plutonium Radium Thorium Radan ANSWER DOWNLOAD EXAMIANS APP
General Science The two elements that are frequently used for making transistors are Iridium and Tungsten Boron and Aluminium Silicon and Germanium Niobium and Columbium Iridium and Tungsten Boron and Aluminium Silicon and Germanium Niobium and Columbium ANSWER DOWNLOAD EXAMIANS APP
General Science The age of most ancient geological formations is estimated by Ra - Si method Potassium - argon method C14 method Uranium - lead method Ra - Si method Potassium - argon method C14 method Uranium - lead method ANSWER DOWNLOAD EXAMIANS APP
General Science Electric bulb filament is made of Tungsten Lead Aluminum Copper Tungsten Lead Aluminum Copper ANSWER DOWNLOAD EXAMIANS APP
General Science The percentage of oxygen present in air is approximately- 0.23 0.4 0.21 0.44 0.23 0.4 0.21 0.44 ANSWER DOWNLOAD EXAMIANS APP
General Science When an iron nail gets rusted, iron oxide is formed Without any change in the weight of the nail With decrease in the weight of the nail Without any change in colour or weight of the nail With increase in the weight of the nail Without any change in the weight of the nail With decrease in the weight of the nail Without any change in colour or weight of the nail With increase in the weight of the nail ANSWER DOWNLOAD EXAMIANS APP