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Chemistry – General – LS

Chemistry – Set 8

Dear ! This is Chemistry – Set 8  Quiz and it contains 100 questions.

Happy Learning!

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1. The gas that is used in the manufacture of vanaspati ghee is :

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2. Which one among the following is not a mixture?

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3. Which of the following could be used as fuel in propellant or rockets ?

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4. Global warming may result in

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5. The elements in the modern Periodic table are arranged according to their

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6. The major constituent of gobar gas is

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7. Besides CO2, the other green house gas is

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8. The highest volume of gases in lower atmosphere is comprised of

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9. Which of the following will replace hydrogen from acids to form salts ?

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10. An oxidising agent is a

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11. Which among the following is used to dilute oxygen in the gas cylinders used by divers ?

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12. Which of the following is a commercial source of energy?

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13. When quick lime is added to water

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14. Depletion of ozone layer causes

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15. Total number of elements in the Periodic table

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16. In addition to hydrogen, the other abundant element present on Sun’s surface is

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17. Which one is the lightest element in the periodic table

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18. Who is known as the ‘father of modern chemistry’?

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19. Which among the following elements is found in maximum percentage in the human body ?

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20. Copper substances when exposed to air gains a green coating due to the formation of:

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21. The most abundant element by number in the living system is :

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22. The lightest gas which is non-inflammable is

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23. What is the maximum Water Vapour content in the atmosphere?

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24. An example of replenishable energy source is–

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25. Green house effect is accelerated by

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26. The biogas used for cooking is a mixture of which of the following?

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27. The gas used to dilute oxygen for breathing by deep sea divers is:

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28. The gas which turns into liquid at the lowest temperature among the following is

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29. Catalyst is a substance which

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30. The acid present in red ants is

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31. Bee sting contains

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32. What is the element required for solar energy conversion ?

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33. An acid having basicity one is

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34. The material used in the manufacture of lead pencil is

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35. Which of the following is not a commercial source of energy?

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36. Which one of the following statement is correct ? Ozone is found in the earth’s atmosphere mostly between

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37. The atmospheric gas that is mainly responsible for green house effect :

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38. Smoke is formed due to

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39. What is the element that is in the highest percentage in the composition of the earth ?

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40. Spirit in contact with body gives cool sensation because it is :

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41. Biofertilizers convert nitrogen to ________ .

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42. The property of hydrogen which distinguishes it from alkali metals is

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43. Oxygen which is vital for life is a product of photosynthesis and comes from

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44. Which of the following gases will effuse out of football bladder most quickly ?

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45. The most abundant element in the earth’s atmosphere is

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46. Water can be separated from alcohol water mixture by

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47. Formation of ozone hole is maximum over

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48. The inert gas which is substituted for nitrogen in the air used by deep sea divers for breathing is:

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49. Iodine can be separated from a mixture of Iodine and Potassium Chloride by

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50. Which among the following is pure matter ?

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51. Which of the following is not a chemical reaction?

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52. Which one of the following metals does not react with water to produce Hydrogen ?

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53. The ‘Green House effect’ is produced due to the presence of excess amount of

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54. The most abundant element in the human body is

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55. The chief constituent of natural gas is:

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56. Earth’s atmosphere is an envelope of gases extending to a height of

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57. The main constituent of natural gas is   

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58. Which of the following is biodegradable ?

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59. Select the one which is not a mixture :

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60. Ozone saves the biosphere by absorbing high energy radiations called ________ .

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61. Which one is a sublime substance?

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62. In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins?

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63. Carbon monoxide is an inflammable gas. Which one of the following is also inflammable?

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64. Which one element from below list is liquid at room temperature?

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65. Name two elements that find wide application in transistor industry.

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66. Which one of the following is most electronegative?

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67. The resources which can be used continuously, year-after-year are called

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68. For generation of biogas, the materials commonly used are

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69. Which gas is used for converting vegetable oils into saturated fats ?

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70. The natural resource, known as black gold is

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71. Greenhouse effect is caused by

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72. Which one of the following is a greenhouse gas ?

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73. Which one of the following is not a ‘green house gas’ ?

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74. Which of the process is known as nitrification?

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75. The main constituent of biogas is

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76. Nitrogen fixation is a process of

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77. Which gas does not form the part of atmosphere ?

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78. Photo-oxidation process is initiated by

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79. Which one is the naturally occuring heaviest element?

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80. The increasing abundance of green house gases in atmosphere has led to the following effect except

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81. Which is not a green house gas ?

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82. Hydrogen is not found in atmosphere because

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83. The lowest layer of earth’s atmosphere is

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84. Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process :

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85. Major portion of the earth’s crust is mainly constituted by

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86. When Hydrogen starts burning in air, it produces ?

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87. The source of energy that causes the least global warming is

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88. Nitrification is the biological process of converting

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89. Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ?

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90. Chemical formula of washing soda is

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91. The components of water can be separated by

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92. Browning of paper in old books is caused by

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93. Periodic table contains how many groups

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94. Which of the following fuels causes minimum environmental pollution?

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95. Acid rain is caused by the pollution of environment by

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96. Periodic table contains how many periods

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97. The greenhouse effect is caused by the higher level of which gas in the atmosphere ?

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98. Which one of the following is not a cause for present global warming and climate change ?

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99. Silver gets corroded due to ________ in air.

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100. Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygen d. Chemical reaction with CO2

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