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