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