General Science From which mineral is radium obtained? Haematite Limestone Rutile Pitchblende Haematite Limestone Rutile Pitchblende ANSWER DOWNLOAD EXAMIANS APP
General Science What is laughing gas? Sulphur dioxide Nitrous Oxide Carbon monoxide Hydrogen peroxide Sulphur dioxide Nitrous Oxide Carbon monoxide Hydrogen peroxide ANSWER DOWNLOAD EXAMIANS APP
General Science Actinides are the elements with atomic numbers from 97 to 104 36 from 43 101 to 115 89 to 103 97 to 104 36 from 43 101 to 115 89 to 103 ANSWER DOWNLOAD EXAMIANS APP
General Science The two elements that are frequently used for making transistors are Niobium and Columbium Silicon and Germanium Iridium and Tungsten Boron and Aluminium Niobium and Columbium Silicon and Germanium Iridium and Tungsten Boron and Aluminium ANSWER DOWNLOAD EXAMIANS APP
General Science The filament of an electric bulb is made of Graphite Tungsten Iron Nichrome Graphite Tungsten Iron Nichrome ANSWER DOWNLOAD EXAMIANS APP