/6 Science Quiz (for 12 to 16 years old): Quiz 19 1 / 6The filament of an electric bulb is made of iron nichrome tungsten graphite 2 / 6Which of the following is used as a lubricant? Diamond Iron Oxide Graphite Silica 3 / 6Tetraethyl lead is used as petrol additive mosquito repellent pain killer fire extinguisher 4 / 6What is laughing gas? Nitrous Oxide Sulphur dioxide Carbon monoxide Hydrogen peroxide 5 / 6In which of the following activities silicon carbide is used? cutting very hard substances Making cement and glass Making casts for statues Disinfecting water of ponds 6 / 6Sodium metal is kept under kerosene alcohol water petrol Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback By WordPress Quiz plugin
