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. DDT is a:

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2. SN₂ reactions can be best carried out with:

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3. Biopolymers are:

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4. Oxidation of NO in air produces:

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5. Which one is more toxic?

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6. Metallic conduction is also called as:

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7. Pb has inert pair of electrons:

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8. Higher alcohols are:

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Question 9 of 100

9. Oxides of metals are:

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Question 10 of 100

10. Bakelite is a:

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11. Formula of cryolite is:

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Question 12 of 100

12. Cell potential depends upon:

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13. The sum of pH and pOH is:

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

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15. Acetic acid is manufactured by:

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16. Metals tends to lose electrons, becoming:

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17. All gases can be compressed by:

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18. Dextose is also called:

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Question 19 of 100

19. Covalent compounds mostly exist in the form of:

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20. Reaction of HNO₃with benzene gives:

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

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22. Salts of dichromic acids are:

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23. Inside every fluorescent lamp there is present a:

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

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25. X-rays have same nature as:

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26. The nature of positive rays depends on:

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

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

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

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30. Molarity of pure water is:

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31. The rate of reaction:

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32. Buffer capacity is maximum when both components have:

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Question 33 of 100

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

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34. Vegetable oils are:

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Question 35 of 100

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

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36. The covalent radius of Cl atom is:

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37. Arenes are also called:

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38. Carboxyl compounds have functional group:

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

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40. The dipole moment of water is:

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41. Type of isomerism in BrCH=CHBr is:

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42. Properties of metals are:

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43. Kinetic theory of gas was put forward by:

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44. Halokanes are:

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45. Borax in water is:

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46. Plasma consists of:

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47. X-rays were discovered by:

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Question 48 of 100

48. X-rays are attracted towards:

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Question 49 of 100

49. Most stable hydrides is of:

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Question 50 of 100

50. Alcohols are:

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51. Esters are used as:

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

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Question 53 of 100

53. A good reservoirs of energy to body is:

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54. The SI unit of heat + energy is:

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Question 55 of 100

55. The benzene molecule contains:

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

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

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58. Silica contains oxygen by weight:

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59. Swedish chemist J. Berzelius determined:

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

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61. Alpha rays consists of:

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62. The molecule has triple bond in it:

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

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64. A limiting reactants is one:

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65. Catalyst changes:

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66. Major component of natural gas is:

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67. Which property of oxygen resembles with sulphur?

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68. Entropy is a measure of ______ system.

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Question 69 of 100

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

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70. Which is an inert gas?

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

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72. Ketones react with sodium nitroprusside alkaline giving precipitate:

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

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74. Evaporation of water is a:

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Question 75 of 100

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

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

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77. Grape sugar or blood sugar is called to:

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

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

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80. 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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81. The dipole moment of orthochlorobenzene is:

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82. Which has least melting point among the given?

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83. Mineral oil is called:

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

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

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

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87. 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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88. Most of the universe consists of the matter in:

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89. The mass of one mole of iodine:

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90. Which will cook food more easily:

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

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92. Catalytic oxidation of benzene gives:

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93. Benzyl acetate has flavour of:

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94. 4-d series is in the period:

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Question 95 of 100

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

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96. An ion having negative charge is called:

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97. Isomers have same properties:

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98. In exothermic reactions,  ΔH is:

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

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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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