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Chemistry – General – LS

Chemistry – Set 4

Dear ! This is Chemistry – Set 4  Quiz and it contains 100 questions.

Happy Learning!

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1. When ice cubes are made, the entropy of water

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2. Ultraviolet radiation striking the earth is due to the depletion of

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3. Which of the following is an antidiabatic drug?

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4. Concentration of a material which is lethal to 50% animal is called

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5. Main source of lead pollution is from

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6. ‘Acid rain’ is caused due to air pollution by

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7. Which one amongst the following is not a Green House gas?

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8. London smog is found in

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9. Which type of radiations are absorbed by the upper layer of the atmosphere?

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10. Which of the following has least negative electron gain enthalpy?

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11. Many people died in London in 1952 as result of air pollution producing

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12. The structure of (HPO3)3 is

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13. The filter over which sewage is sprinkled is called as

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14. Which of the following is a method/process of disposing of solid waste which cannot be reused or recycled ?

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15. Soap is prepared by boiling caustic soda with

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16. What is a common name for the substance which irritates lachrymal glands ?

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17. The ‘solid waste’ is also known as

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18. A thick paste of cement, sand and water is called

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19. Of the following compounds of calcium, the one having highest covalent character is

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20. Tear gas used by the police to disperse the mob contains

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21. In ice, the number of hydrogen bonds per water molecule is

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22. An important green-house gas other than methane being produced from the agricultural fields is

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23. The number of hydrogen bonds between guanine and cytosine in DNA is

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24. Charcoal is used in water treatment as a/an

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25. Which one of the following metals pollutes the air of a city having large number of automobiles?

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26. Detergents clean surfaces on the principle of

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27. Which one of the following contributes largely to the ‘green house effect’ ?

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28. Which one of the following is a major green house gas?

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29. Which of the following is not a greenhouse gas ?

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30. Global warming is mainly due to accumulation of

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31. Which of the following is used as a preservative to protect processed food?

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32. Zinc sulphide is commonly used as

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33. An example of major air pollutant is

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34. Which of the following produces highest amount of energy upon oxidation?

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35. The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are

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36. What happens when a chemical bond is formed ?

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37. Which one of the following species has the highest bond order, shortest bond length and maximum bond strength?

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38. Which of the following is a natural dye ?

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39. Which of the following is also used as a Bio fertilizer?

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40. Which of the following is a secondary pollutant ?

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41. Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ?

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42. Sulphur dioxide level in the atmosphere can be reduced by using

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43. The Bhopal gas tragedy was caused by the gas

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44. Trinitrotoluene is

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45. Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called

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46. The advantage of detergents over soaps is

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47. Normal rainwater is slightly acidic due to the presence of

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48. The function of sedimentation tank in sewage treatment is to:

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49. Mark the compound which possess ionic, covalent and coordinate bonds.

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50. The drug ‘Marijuana’ is a

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51. Which of the following kinds of spectroscopy can provide information on the energy difference between the initial and final states rather the energy levels involved in the transition?

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52. What is the most commonly used substance in fluorescent tubes?

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53. ‘Fire-fighting clothes’ are made from

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54. Acid rain is caused by

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55. The term ‘brown air’ is used for

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56. Which of the following caused radioactive pollution along the coast of Kerala ?

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57. Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere?

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58. The sewage obtained from water closets and urinals is known as

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59. Ferrous sulphate is used in water treatment as a/an

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60. Which is abundant in Gobar gas?

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61. Bhopal gas tragedy is associated with leakage of

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62. Entropy of Universe is always

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63. The antiseptic compound present in dettol is

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64. The Refrigerant ‘FREON’ is

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65. Warming ammonium chloride with sodium hydrochloride in a test tube is an example of

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66. Which of the following is not a donor atom?

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67. The gas involved in Bhopal incident was

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68. Mercury is emitted into air by

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69. ‘All the four quantum numbers of two electrons in an atom are not the same.’ It is the law of –

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70. Poison used for killing rats is

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71. In a reaction of the type A+B -> C+D one could ensure it to be a first order reaction by :

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72. The chief source for the production of nitrogeneous fertilizers is :

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73. Kinetics is the study of:

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74. Which gas is most stable at room temperature?

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75. Gas released during Bhopal tragedy was :

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76. Which halide is used in making sensitive emulsion on photograhic film?

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77. Which of the following statements are correct about chloroform? a. Liquid fuel b. Anaesthetic in nature c. Produces phosgene d. Fire extinguisher

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78. The chemical used in developing photographic films is

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79. The tip of the match-stick contains

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80. Which one of the following elements is used in the manufacture of safety matches?

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81. Photo chemical smog is a resultant of the reaction among

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82. Tetra ethyle lead (TEL) is

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83. Pyrethrin used in mosquito coil is obtained from

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84. Which one of the following is used as a sowing agent in the preparation of soft drinks?

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85. The most common cause of pollution of air is

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86. The gas which is mainly responsible for the green house effect is:

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87. The major harmful gas emitted by automobile vehicle which causes air pollution is

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88. Which one of the following group of gases contributes to the ‘Green House Effect’?

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89. Spontaneous change is one in which there is:

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90. Pollutant from motor car exhaust that causes mental disease is

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91. Which of the following is not a nitrogenous fetiliser?

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92. The material used in solar cells contains

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93. The addition of gypsum to portland cement helps in :

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94. Tear gas is :

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95. Main pollutants released from iron and steel industry are

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96. Which one of the following is used as an anti-freeze for the automobile engines ?

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97. Which of the following is used to iodise common salt ?

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98. ‘Aerosol’ is known as

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99. Which of the toxic heavy metals is found in modern tannery industries ?

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100. Chernobyl disaster is the result of pollution by

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