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

 

Question 1 of 100

Mega Quiz

1. All gases can be compressed by:

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Question 2 of 100

2. X-rays have same nature as:

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

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

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

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6. Cell potential depends upon:

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Question 7 of 100

7. Covalent compounds mostly exist in the form of:

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Question 8 of 100

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

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Question 9 of 100

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

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Question 10 of 100

10. The dipole moment of water is:

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Question 11 of 100

11. Borax in water is:

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12. Evaporation of water is a:

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Question 13 of 100

13. The rate of reaction:

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14. 4-d series is in the period:

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15. Carboxyl compounds have functional group:

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Question 16 of 100

16. Plasma consists of:

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Question 17 of 100

17. The SI unit of heat + energy is:

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18. Which is an inert gas?

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Question 19 of 100

19. Metallic conduction is also called as:

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20. Oxides of metals are:

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21. X-rays were discovered by:

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22. Halokanes are:

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Question 23 of 100

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

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Question 24 of 100

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

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25. Catalyst changes:

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Question 26 of 100

26. The nature of positive rays depends on:

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27. Kinetic theory of gas was put forward by:

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Question 28 of 100

28. X-rays are attracted towards:

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Question 29 of 100

29. Metals tends to lose electrons, becoming:

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Question 30 of 100

30. Dextose is also called:

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31. In exothermic reactions,  ΔH is:

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32. Benzyl acetate has flavour of:

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Question 33 of 100

33. DDT is a:

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Question 34 of 100

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

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Question 35 of 100

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

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Question 36 of 100

36. Swedish chemist J. Berzelius determined:

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37. Which property of oxygen resembles with sulphur?

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Question 38 of 100

38. Esters are used as:

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Question 39 of 100

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

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Question 40 of 100

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

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41. Bakelite is a:

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Question 42 of 100

42. The mass of one mole of iodine:

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

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Question 44 of 100

44. The benzene molecule contains:

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Question 45 of 100

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

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Question 46 of 100

46. The sum of pH and pOH is:

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Question 47 of 100

47. Type of isomerism in BrCH=CHBr is:

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Question 48 of 100

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

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Question 49 of 100

49. Pb has inert pair of electrons:

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Question 50 of 100

50. The covalent radius of Cl atom is:

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Question 51 of 100

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

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Question 52 of 100

52. An ion having negative charge is called:

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Question 53 of 100

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

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Question 54 of 100

54. Acetic acid is manufactured by:

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Question 55 of 100

55. Ketones react with sodium nitroprusside alkaline giving precipitate:

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Question 56 of 100

56. Salts of dichromic acids are:

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57. Buffer capacity is maximum when both components have:

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Question 58 of 100

58. A limiting reactants is one:

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Question 59 of 100

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

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Question 60 of 100

60. Grape sugar or blood sugar is called to:

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Question 61 of 100

61. Catalytic oxidation of benzene gives:

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Question 62 of 100

62. Molarity of pure water is:

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Question 63 of 100

63. 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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Question 64 of 100

64. Which has least melting point among the given?

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Question 65 of 100

65. Arenes are also called:

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Question 66 of 100

66. Oxidation of NO in air produces:

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Question 67 of 100

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

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Question 68 of 100

68. Higher alcohols are:

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Question 69 of 100

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

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Question 70 of 100

70. The molecule has triple bond in it:

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Question 71 of 100

71. Reaction of HNO₃with benzene gives:

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72. Mineral oil is called:

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Question 73 of 100

73. Which one is more toxic?

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Question 74 of 100

74. Properties of metals are:

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Question 75 of 100

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

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Question 76 of 100

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

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77. Which will cook food more easily:

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Question 78 of 100

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

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

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Question 80 of 100

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

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81. SN₂ reactions can be best carried out with:

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

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83. Vegetable oils are:

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Question 84 of 100

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

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Question 85 of 100

85. Formula of cryolite is:

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Question 86 of 100

86. Major component of natural gas is:

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87. Inside every fluorescent lamp there is present a:

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88. Biopolymers are:

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Question 89 of 100

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

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90. Entropy is a measure of ______ system.

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Question 91 of 100

91. The dipole moment of orthochlorobenzene is:

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92. 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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Question 93 of 100

93. Alpha rays consists of:

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Question 94 of 100

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

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Question 95 of 100

95. Alcohols are:

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96. Isomers have same properties:

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97. Silica contains oxygen by weight:

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98. Most stable hydrides is of:

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99. A good reservoirs of energy to body 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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