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