/6 Science Quiz (for 12 to 16 years old): Quiz 7 1 / 6Actinides are the elements with atomic numbers from 97 to 104 36 from 43 89 to 103 101 to 115 2 / 6Which of the following are the ingredients of gun metal? Iron, Brass, Tin Iron, Zinc, Titanium Iron, tin Copper, Tin 3 / 6Sodium metal is kept under petrol kerosene water alcohol 4 / 6Which of the following is in liquid form at room temperature? Cerium Lithium Sodium Francium 5 / 6From which mineral is radium obtained? Rutile Haematite Pitchblende Limestone 6 / 6What is laughing gas? Carbon monoxide Nitrous Oxide Hydrogen peroxide Sulphur dioxide Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback