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Chemistry – General – LS

Chemistry – Set 3

Dear ! This is Chemistry – Set 3  Quiz and it contains 100 questions.

Happy Learning!

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1. In organic compounds, nitrogen is estimated by

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2. What is the product formed when sodium bicarbonate is heated strongly?

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3. Which of the following molecules has a bond order of 2.5?

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4. Who modified Bohr’s theory by introducing elliptical orbits for electron path?

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5. Chile saltpeter is the common name of:

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6. Stalactites and Stalagmites form due to the precipitation of :

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7. The chemical substance present in bones and teeth is

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8. The first organic compound synthesised in the laboratory was

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9. Which amidst the following is not a gem stone ?

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10. Which one of the following is not present in cement ?

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11. ‘Bhopal gas tragedy’ 1984 is related to which gas

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12. Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful

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13. Acid rain is caused due to emission of which of the following into the atmosphere ?

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14. What is the atomic number of mercury?

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15. Two moles of an ideal gas expand freely into vacuum. The work done by the gas is

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16. How many electrons can be accommodated in d-orbital?

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17. An example of heterocyclic compound is

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18. Ozone depletion in the atmosphere is mainly caused by

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19. Black lung disease occurs in people working in

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20. The gas liberated in the Bhopal gas tragedy was:

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21. The length of double bond is _______ than single bond.

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22. Which of the following is the correct sequence of countries in terms of maximum carbon dioxide emission?

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23. Which one of the following elements exhibits the greatest tendency to lose electrons ?

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24. Which of the following is not a gaseous air pollutant?

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25. Cement is made hard with

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26. The least preferred technique in the disposal of Municipal Solid Waste is

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27. Sodium bicarbonate is commercially known as

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28. Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ?

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29. Cement is usually a mixture of :

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30. Which one of the following elements is used in the manufacture of fertilizers ?

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31. Chemical name of vinegar is

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32. Taj Mahal is greatly affected due to :

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33. Chemical composition of cement is

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34. Which one of the following organic compounds has fruity smell?

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35. The chemical name of ‘Plaster of Paris’ commonly used for setting broken bones is

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36. Calcium salts used as fertilizer is :

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37. Threshold limit value of copper in the atmospheric air is

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38. The common name of sodium bicarbonate is

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39. Quartz is a crystalline form of

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40. Oxygen has (+) oxidation number only in

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41. Which substance is used to retard the setting action of cement?

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42. A subshell with l = 2 can take up

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43. Urea is a

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44. The compound that has the least value for octane number is :

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45. Cement is formed by strongly heating a mixture of

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46. Find the odd one:

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47. The main component of liquid bleach is:

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48. The chemical name of quartz is

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49. Removal of carbon particles from air involves the principle of

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50. The oxidation number of nickel in K4[Ni(CN)4] is

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51. Sodium vapour lamps glow with yellow colour. This is due to

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52. Bayer’s reagent is

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53. The element absorbed both in cation and anion form is

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54. Interveinal necrotic spots on leaves appear due to

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55. Bone ash contains

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56. Sulphur dioxide present in the industrial chimney exhaust causes

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57. The number of neutrons present in an element having mass number 226 and atomic number 88 is :

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58. Two electrons in an orbital are differentiated by which of the following ?

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59. Which one is heaviest naturally occurring element of the periodic element?

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60. Ruby and sapphire are oxides of

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61. The chemical name of ‘Hypo’ commonly used in photography is

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62. Which one of the following is found in kidney stones?

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63. How many neutrons are there in 92U238 atom ?

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64. The depletion of ozone layer is due to

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65. Persons working in cement plants and lime stone quarries are prone to disease like

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66. Heavy metal pollution of water is caused by:

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67. Asbestos is formed of :

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68. Which one of the following forms of phosphorus is most reactive?

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69. The Fungus which is used in the alcohol industry is

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70. Baryllium Sulphate is less soluble in water due to

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71. What is the most common salt in sea water ?

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72. Sullage water is –

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73. High concentration hydrocarbon pollutants in atmospheric air causes

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74. Coating of solid waste with impervious material is known as

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75. Commercially, sodium bicarbonate is known as

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76. When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocation of pond that does not leave enough oxygen needed to support life. This type of pollution is called

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77. Which one is not a primary greenhouse gases in the Earth’s atmosphere?

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78. When cathode rays strike a target of high atomic weight, they give rise to

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79. ‘Plaster of Paris’ is made by partial dehydration of

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80. Fertiliser having high nitrogen content is :

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81. Which of the following is not a precious/semi-precious stone?

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82. Limestone is a raw material used by which industry?

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83. In silvery paints, the main constituent present is

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84. Among the following, carbonate ore of Zinc is

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85. Alum stops bleeding in minor cuts because of

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86. Which one of the following was used as a chemical weapon in the first world war ?

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87. Which metal is the heaviest in periodic table among the following ?

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88. The metal used for making aircrafts and rockets is

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89. Which of the following is secondary air pollutant ?

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90. Heavy metals got their name because compared to other atoms they have

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91. The function of skimming tank in sewage treatment is to remove

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92. An element of atomic no. 29 belongs to

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93. Quartz is made of

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94. Which of the following is the main nitrogenous waste in humans ?

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95. Physico-chemical characteristics of water in water sources undergo changes due to

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96. Cement containing excess amount of lime

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97. Aluminium salt commonly used to stop bleeding is

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98. Which of the following is used to denature ethanol ?

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99. Which of the following is ozone depleting pesticide ?

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100. Setting of plaster of pairs involves

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