Which gas has the highest concentration in dry air?, Oxygen, Nitrogen, Carbon dioxide, Which of these gases is not a pollutant gas?, Carbon monoxide, Sulfur dioxide, Argon, What is the total number of atoms in a molecule of sulphur dioxide?, 1, 2, 3, How many oxygen atoms are present in a molecule of water?, 0, 1, 2, In a chemical reaction, the reactants contain four carbon atoms. How many carbon atoms are in the products?, 2, 4, 6, What pollutant gas is always formed when coal is burned completely?, Carbon dioxide, Carbon monoxide, Carbon, What other gas is formed when petrol is burned completely?, water, oxygen, carbon monoxide, What is produced when sulfur dioxide reacts with water and oxygen?, snow, acid rain, frost, What pollutant coats the walls of buildings?, particulates, sulfur dioxide, carbon dioxide, Which of these is not a fossil fuel?, coal, petrol, wood, Which of these is not a way of reducing the carbon dioxide released into the atmosphere?, using brighter lights, switching off appliances when not using them, insulating your home, Which acidic gas is produced when fuels containing sulfur are burned?, carbon dioxide, sulfur dioxide, sodium sulfate, Which of these will not reduce the amount of sulfur dioxide released from power stations?, removing sulfur from fossil fuels, removing sulfur from the mixture of gases released?, removing carbon from fossil fuels, Biofuel is a good alternative to fossil fuels because it..., ...releases carbon dioxide when it is burned, ....uses a lot of land to grow crops, ...is renewable, what pollutant is removed by the process of photosynthesis?, sulfur dioxide, nitrogen dioxide, carbon dioxide

C1 quiz

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