Chemistry: Air and Air pollution

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Created by Agodirin

Chemistry: Air and Air Pollution

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1. 16_air_when air is passed through lime water and then alkaline pyrogallol what components will be removed

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2. 14_air_which of the following will remove carbondioxide from air

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3. 38_air_which of the following is not true about carbonmonoxide

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4. 20_air_which of the following is used in aerodrome beacons because it penetrates fog

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5. 24_air_which of the following is not an impurity in air

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6. 18_air_when air is passed through a tube fused with calcium chloride the component that is absorbed is

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7. 46_air_examples of air pollutants that cause acid rain and blacking of building paints is

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8. 15_air_When air is passed through caustic potash and then alkaline pyrogallol what components will be left remaining

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9. 44_air_A situation where there is excess impurities in a substance is called

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10. 12_air_which of the following turns lime water milky

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11. 32_air_which of the following is not a delinquescent compound

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12. 19_air_which of the following is not a noble gas

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13. 26_air_which of the following is not correct about air

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14. 50_air_The uncovered raw food that is sold along major roads ia likely to contain some amount of

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15. 49_air_which of the following causes the depletion or destruction of the ozone layer

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16. 33_air_which of the following is hygroscopic

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17. 47_air_an example of polluntant from gaseous hydrocarbon is

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18. 27_air_the air boiled out of water is richer in which of the following

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19. 9_air_which of the following processes does not add carbondioxide to the atmosphere

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20. 45_air_whiich of the following is not one of the major types of pollusion

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21. 5_air_Which of the following gases in air supports burning/combustion

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22. 41_air_which of the following is used in the coolant of refrigerators and air-conditioners

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23. 30_air_A substance whche when exposed to air absrobs water but remains solid is

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24. 22_air_the mixture of gas used in phographers flash tube for high speed pictures is

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25. 11_air_which of the following is lime water

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26. 23_air_which of the following is not a major impurity in air

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27. 40_air_excess of which of the following in air causes global warming

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28. 10_air_which fo the following solution can be used to detect the presence of carbondioxide

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29. 36_air_which of the following is the most dangerous and poisonous air pollutant

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30. 34_air_Which of the following compounds is efflorescent

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31. 8_air_during an experiment, a solution that can be used to detect the presence of oxygen in air is

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32. 28_air_A substance which when exposed to air loses water and weight is

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33. 7_air_What volume of air would be required for the complete combustion of 15.5g of phosphorus to phosphorus (V) oxide at S.T.P[O=16, P=31, Air is 20% oxygen by volume. Molar volume of gas at stp is 22.4dm3

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34. 35_air_which of the following is not correct

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35. 31_air_which of the following is not correct about delinquescent compound

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36. 6_air_When a burning candle is placed in an enclosed space, the candle goes out when which of the following gases is used up

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37. 3_air_Which of the following is not a natural constituent of the air/atmospheric air

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38. 13_air_which of the following is caustic potash

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39. 48_air_the gas that is present in the atmosphere and protect humans from the excess solar irradiation is

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40. 29_air_A substance which when exposed to air absorbs water and becomes solution is

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41. 43_air_Climate change that occurs from excess CO2 in air leading to excess radiation retention around the earth is called

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42. 21_air_which of the following is used in gas filled electric bulbs

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43. 2_air_Which of the following is not correct about the composition of air

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44. 1_air_Which of the following is the most abundant gas in air/atmosphere

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45. 4_air_Which of the following is not a natural component of the air/atmosphere

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46. 37_air_which of the following air pollutants comes from sewage

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47. 25_air_Which of the following is not a reason why air is regarded as a mixture rather than a compound

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48. 42_air_what layer of the atmosphere protects the earth from solar irradiation

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49. 17_air_All the following substances can be used to remove water vapour from air except

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50. 39_air_which of the following dissolve in rain to form acid rain

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