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