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Chemistry – General – LS

Chemistry – Set 10

Dear ! This is Chemistry – Set 10  Quiz and it contains 100 questions.

Happy Learning!

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

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2. Piped Natural Gas (PNG) is used for

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3. Highest percentage of carbon is found in which form of coal?

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4. Which of the following is the petroleum wax ?

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5. Which of the following is very reactive and kept in kerosene?

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6. The metals commonly used for electroplating are

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7. Thermal electricity is generated by using which of these ?

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8. Element 106 was discovered by

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9. The hottest part of the gas flame is known as

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10. Conversion of chemical energy into electrical energy occurs in

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11. At room temperature, the metal that remains liquid is:

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12. The working of a dry cell is based on

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13. The chief source of naphthalene is

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14. The process which does not evolve CO2 in air is

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15. A metal is exposed to the atmosphere for sometime. It becomes coated with green carbonate. The metal must be

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16. An electric iron has a heating element made of :

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17. The metal used to galvanise iron to protect it from rusting is

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18. Helium gas is used in gas balloons instead of hydrogen gas because it is

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19. Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure?

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20. Which metal does not undergo corrosion due to the formation of oxide layer?

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21. Which of the following is not a noble gas ?

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22. Impure camphor is purified by

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23. Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

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24. Iron is prevented from rusting by coating with zinc. This process is called as

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25. Which gas is used as fire extinguisher ?

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26. Petroleum is a mixture of

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27. Helium gas is filled in balloons because

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28. Which one is the purest form of carbon?

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29. The most abundant inert gas in the atmosphere is

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30. Which of the following contains high content of lead?

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31. Which of the following gases is present under pressure in soft drinks?

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32. Sea water can be purified by the process of

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33. A mixture of water and alcohol can be separated by

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34. The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called :

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35. Mixture can be

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36. The gas causing acid rain in an industrial area is

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37. The most abundant element is

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38. Which variety of coal contains recognisable traces of the original plant material ?

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39. Milk is a

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40. The anode in a dry cell consists of

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41. The gas that usually causes explosions in coal mines is

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42. The coating of a thin layer of zinc on steel or iron objects is known as

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43. Indane gas is mixture of

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44. Major gaseous pollutant of the thermal power station is

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45. In galvanization, iron is coated with

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46. Combustion of a candle is a/an

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47. Petroleum consists of a mixture of

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48. L.P.G. is mostly liquefied

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49. An electrochemical cell which is used as a source of direct electrical current at constant voltage under standard conditions is called a :

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50. A non-electronic conductor is

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51. Iron rusts quickly in

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52. Which one is not a pure form of carbon?

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53. The temperature of oxy-acetylene flame is around

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54. Which one of the following is known as the ‘brown coal’?

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55. The charcoal used to decolourise brown sugar solution is

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56. The main source of carbon monoxide is

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57. Which one of the following is not coal variety?

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58. A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?

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59. Coal is formed from

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60. Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ?

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61. Lead pencil contains

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62. Cooking gas is a mixture of

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63. Which of the following processes is used for the production of Biodiesel ?

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64. Galvanization is the :

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65. The wire of flash bulb is made of:

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66. A balloon filled with helium rises in air because

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67. White coal is

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68. Galvanization of iron is carried out using

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69. Which one is a naturally occuring noble gas?

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70. Which one of the following metals is used to galvanise iron ?

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71. Man dies in the atmosphere of CO, because it

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72. The metal chiefly used for galvanising iron is :

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73. Water is not effective in extinguishing a fire caused by petrol because

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74. Which type of fire extinguisher is used for petroleum fire ?

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75. The process of improving the quality of rubber by heating it with sulphur is called

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76. Which of the following is the major constituent of LPG?

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77. The pollutant responsible for ozone holes is ________

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78. Candle is a mixture of

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79. Which of the following type of coal has the lowest proportion of volatile matter ?

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80. If we burn graphite,

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81. Which one of the following is also known as solution ?

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82. When a spoon is to be electroplated with nickel the spoon is

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83. Identify the metal which is non toxic in nature.

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84. The major component in the LPG is

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85. Iron filings can be separated from a heterogeneous mixture using the technique of :

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86. Total number of naturally occurring elements

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87. The gas that causes suffocation and death when coal or coke is burnt in a closed room is

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88. Which one of the following elements is an example of noble gas ?

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89. Water gas is the combination of

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90. Which among the following metals provides amphoteric oxide ?

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91. Electric bulbs are filled with :

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92. It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of

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93. Which one out of the following helps in burning ?

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94. The anode of a dry cell is made up of

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95. The quality of petrol is expressed in terms of

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96. Domestic cooking gas consists mostly of

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97. Rusting of iron takes place due to

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98. The coloured discharge tubes for advertisement mainly contain

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99. Which of the following is used to increase the anti-knocking property of petrol ?

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100. The gas used for filling weather balloons is

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