General Science The two elements that are frequently used for making transistors are Iridium and Tungsten Niobium and Columbium Silicon and Germanium Boron and Aluminium Iridium and Tungsten Niobium and Columbium Silicon and Germanium Boron and Aluminium ANSWER DOWNLOAD EXAMIANS APP
General Science The filament of an electric bulb is made of Nichrome Tungsten Graphite Iron Nichrome Tungsten Graphite Iron ANSWER DOWNLOAD EXAMIANS APP
General Science Diamond is an allotropic form of Silicon Germanium Sulphur Carbon Silicon Germanium Sulphur Carbon ANSWER DOWNLOAD EXAMIANS APP
General Science In fireworks, the green flame is produced because of Sodium Potassium Barium Mercury Sodium Potassium Barium Mercury ANSWER DOWNLOAD EXAMIANS APP
General Science Permanent hardness of water can be removed by adding Washing Soda Chlorine Potassium Permanganate Bleaching Powder Washing Soda Chlorine Potassium Permanganate Bleaching Powder ANSWER DOWNLOAD EXAMIANS APP