100 Important Chemistry Questions Quiz Online Basic Info Mcq’s Practice Test with Answers

Photo of Maan Ali Maan AliLast Updated: January 29, 2021

To test and also improve your general knowledge about various concepts of Chemistry, you can attempt the following mega quiz which includes 100 important mcq’s questions and answers about the subject. If you are able to score good marks in this quiz then you will definitely be able to achieve good marks in any exam related to Chemistry.

100 Important Chemistry Questions Quiz Online Basic Info Mcq’s Practice Test with Answers

 

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Mega Quiz

1. Esters are used as:

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2. Organic molecules are completely burnt during incineration at temperature (C°)

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3. Buffer capacity is maximum when both components have:

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4. When rate of reaction is restarted by adding a substance, it is said to be:

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5. Fuel cells are the means by which chemical energy may be converted into:

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6. 4-d series is in the period:

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7. Vegetable oils are:

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8. The e/m value for positive rays is maximum:

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9. In exothermic reactions,  ΔH is:

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10. Every sample of matter with uniform properties and a fixed composition is called a:

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11. The benzene molecule contains:

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12. A substance having sigma and pi bond in it gives:

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13. A pseudo uni-molecular reaction has order of reaction:

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14. In 1913, Mosley used the x-rays to determine:

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15. All gases can be compressed by:

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16. Inside every fluorescent lamp there is present a:

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17. Evaporation of water is a:

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18. Alpha rays consists of:

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19. Arenes are also called:

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20. Plasma consists of:

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21. The sum of pH and pOH is:

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22. What do you call the apparatus generally used for measuring heat changes?

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23. Entropy is a measure of ______ system.

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24. Mineral oil is called:

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25. Carboxyl compounds have functional group:

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26. Higher alcohols are:

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27. Covalent compounds mostly exist in the form of:

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28. SN₂ reactions can be best carried out with:

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29. Alcohols are:

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30. Newland said, every eight element repeats properties of element:

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31. Dextose is also called:

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32. The covalent radius of Cl atom is:

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33. Which has least melting point among the given?

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34. Catalyst changes:

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35. Formula of cryolite is:

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36. Which one of the following has the same number of electrons as an alpha particle?

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37. In an electrolytic cell, the electrons flow from:

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38. Which one is more toxic?

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39. Cell potential depends upon:

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40. Bakelite is a:

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41. Major component of natural gas is:

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42. Acetic acid is manufactured by:

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43. Benzyl acetate has flavour of:

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44. Amino acids (proteins) are identified by the test:

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45. Isomers have same properties:

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46. Most stable hydrides is of:

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47. DDT is a:

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Question 48 of 100

48. Hydrides formed between elements with E.N difference greater than 1.8 is:

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Question 49 of 100

49. The dipole moment of orthochlorobenzene is:

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50. A good reservoirs of energy to body is:

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51. The dipole moment of water is:

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52. The difference of potential of two electrodes when concentration of solution is 1 M each at 25°C and 1 atm is called:

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53. Which enzyme is not involved in the fermentation of starch?

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54. The reasons for less experimental yield than theoretical yield are reversible reaction, side reaction and:

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55. Swedish chemist J. Berzelius determined:

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56. Silica contains oxygen by weight:

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57. Which will cook food more easily:

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58. The mass of one mole of iodine:

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59. The molecule has triple bond in it:

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60. Oxidation of NO in air produces:

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61. Half life period of a first order reaction is independent of:

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62. Reaction of HNO₃with benzene gives:

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63. Catalytic oxidation of benzene gives:

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64. A limiting reactants is one:

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65. Metallic conduction is also called as:

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66. The nature of positive rays depends on:

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67. Which is an inert gas?

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68. Which of the following is the simplest form of matter?

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69. The sum of mole fractions of components of a solution is equal to:

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70. Biopolymers are:

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71. Thermochemistry is the study of relationship between heat, energy and:

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72. Non-metals tend to gain electrons, becoming:

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73. Grape sugar or blood sugar is called to:

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74. Kinetic theory of gas was put forward by:

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75. An ion having negative charge is called:

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76. Most of the universe consists of the matter in:

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77. Pb has inert pair of electrons:

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78. The pH of 0.001M NaOH aqueous solution is:

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79. X-rays were discovered by:

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80. Halokanes are:

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81. Oxides of metals are:

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82. Reaction of CO₂ with Grignard’s reagent gives:

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83. Properties of metals are:

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84. Ketones react with sodium nitroprusside alkaline giving precipitate:

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85. The force which holds together two or more atoms or ions to form a large variety of compounds is called:

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86. Molarity of pure water is:

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87. A solution of glucose is 10%. The volume to which 1g mole of it dissolved will be:

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88. Which property of oxygen resembles with sulphur?

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89. X-rays are attracted towards:

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90. X-rays have same nature as:

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91. The rate of reaction:

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92. Fuel cells are mostly used in space aircrafts as the source of:

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93. The SI unit of heat + energy is:

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94. A salt "X" is dissolved in water of pH 7, the resulting solution becomes alkaline in nature, salt "X" is made up of:

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95. Metals tends to lose electrons, becoming:

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96. A chemical reaction A →B is said to be in equilibrium when:

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97. Type of isomerism in BrCH=CHBr is:

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98. Salts of dichromic acids are:

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99. Borax in water is:

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Uncategorized

100. Mendeleev was a scientist:

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Photo of Maan Ali Maan AliLast Updated: January 29, 2021
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Maan Ali

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