/6 Science Quiz (for 12 to 16 years old): Quiz 9 1 / 6Air is a/an element compound electrolyte mixture 2 / 6Which metal pollute the air of a big city? Lead Copper Chromium Cadmium 3 / 6Balloons are filled with oxygen argon nitrogen helium 4 / 6Which of the following does not contain a coinage metal? Copper and Silver Zinc and Gold Copper and Gold Silver and Gold 5 / 6LPG consists of mainly methane, hexane and nonane ethane, hexane and nonane methane, butane and propane methane, ethane and hexane 6 / 6Production of chlorofluorocarbons (CFC) gas which is proposed to be banned in India, is used in which of the following domestic products? Television Refrigerator Tube light Cooking gas Your score is 0% Restart quiz Next quiz Please rate the quiz Send feedback By WordPress Quiz plugin
