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