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

Test Instructions
Test Name : Chemistry Mega Quiz Info Test
Subject : Mega Quiz
Test Type : Mcqs
Total Question : 100
Total Marks : 200

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. Reaction of HNO₃with benzene gives:

Question 1 of 100

Question 2 of 100

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

Question 2 of 100

Question 3 of 100

3. Salts of dichromic acids are:

Question 3 of 100

Question 4 of 100

4. Biopolymers are:

Question 4 of 100

Question 5 of 100

5. Dextose is also called:

Question 5 of 100

Question 6 of 100

6. Which is an inert gas?

Question 6 of 100

Question 7 of 100

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

Question 7 of 100

Question 8 of 100

8. Molarity of pure water is:

Question 8 of 100

Question 9 of 100

9. Silica contains oxygen by weight:

Question 9 of 100

Question 10 of 100

10. The sum of pH and pOH is:

Question 10 of 100

Question 11 of 100

11. The benzene molecule contains:

Question 11 of 100

Question 12 of 100

12. Oxidation of NO in air produces:

Question 12 of 100

Question 13 of 100

13. Entropy is a measure of ______ system.

Question 13 of 100

Question 14 of 100

14. X-rays have same nature as:

Question 14 of 100

Question 15 of 100

15. Grape sugar or blood sugar is called to:

Question 15 of 100

Question 16 of 100

16. Plasma consists of:

Question 16 of 100

Question 17 of 100

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

Question 17 of 100

Question 18 of 100

18. Buffer capacity is maximum when both components have:

Question 18 of 100

Question 19 of 100

19. The dipole moment of water is:

Question 19 of 100

Question 20 of 100

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

Question 20 of 100

Question 21 of 100

21. Major component of natural gas is:

Question 21 of 100

Question 22 of 100

22. The dipole moment of orthochlorobenzene is:

Question 22 of 100

Question 23 of 100

23. The mass of one mole of iodine:

Question 23 of 100

Question 24 of 100

24. Type of isomerism in BrCH=CHBr is:

Question 24 of 100

Question 25 of 100

25. Evaporation of water is a:

Question 25 of 100

Question 26 of 100

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

Question 26 of 100

Question 27 of 100

27. Which property of oxygen resembles with sulphur?

Question 27 of 100

Question 28 of 100

28. Which one is more toxic?

Question 28 of 100

Question 29 of 100

29. Alcohols are:

Question 29 of 100

Question 30 of 100

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

Question 30 of 100

Question 31 of 100

31. Pb has inert pair of electrons:

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Question 32 of 100

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

Question 32 of 100

Question 33 of 100

33. Alpha rays consists of:

Question 33 of 100

Question 34 of 100

34. All gases can be compressed by:

Question 34 of 100

Question 35 of 100

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

Question 35 of 100

Question 36 of 100

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

Question 36 of 100

Question 37 of 100

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

Question 37 of 100

Question 38 of 100

38. Borax in water is:

Question 38 of 100

Question 39 of 100

39. Vegetable oils are:

Question 39 of 100

Question 40 of 100

40. Acetic acid is manufactured by:

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Question 41 of 100

41. Arenes are also called:

Question 41 of 100

Question 42 of 100

42. Catalyst changes:

Question 42 of 100

Question 43 of 100

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

Question 43 of 100

Question 44 of 100

44. Formula of cryolite is:

Question 44 of 100

Question 45 of 100

45. DDT is a:

Question 45 of 100

Question 46 of 100

46. Properties of metals are:

Question 46 of 100

Question 47 of 100

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

Question 47 of 100

Question 48 of 100

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

Question 48 of 100

Question 49 of 100

49. Benzyl acetate has flavour of:

Question 49 of 100

Question 50 of 100

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

Question 50 of 100

Question 51 of 100

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

Question 51 of 100

Question 52 of 100

52. In exothermic reactions,  ΔH is:

Question 52 of 100

Question 53 of 100

53. The covalent radius of Cl atom is:

Question 53 of 100

Question 54 of 100

54. The molecule has triple bond in it:

Question 54 of 100

Question 55 of 100

55. An ion having negative charge is called:

Question 55 of 100

Question 56 of 100

56. Catalytic oxidation of benzene gives:

Question 56 of 100

Question 57 of 100

57. Esters are used as:

Question 57 of 100

Question 58 of 100

58. Carboxyl compounds have functional group:

Question 58 of 100

Question 59 of 100

59. A good reservoirs of energy to body is:

Question 59 of 100

Question 60 of 100

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

Question 60 of 100

Question 61 of 100

61. Covalent compounds mostly exist in the form of:

Question 61 of 100

Question 62 of 100

62. Which has least melting point among the given?

Question 62 of 100

Question 63 of 100

63. Inside every fluorescent lamp there is present a:

Question 63 of 100

Question 64 of 100

64. Ketones react with sodium nitroprusside alkaline giving precipitate:

Question 64 of 100

Question 65 of 100

65. X-rays are attracted towards:

Question 65 of 100

Question 66 of 100

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

Question 66 of 100

Question 67 of 100

67. Bakelite is a:

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Question 68 of 100

68. Kinetic theory of gas was put forward by:

Question 68 of 100

Question 69 of 100

69. 4-d series is in the period:

Question 69 of 100

Question 70 of 100

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

Question 70 of 100

Question 71 of 100

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

Question 71 of 100

Question 72 of 100

72. Swedish chemist J. Berzelius determined:

Question 72 of 100

Question 73 of 100

73. A limiting reactants is one:

Question 73 of 100

Question 74 of 100

74. Mineral oil is called:

Question 74 of 100

Question 75 of 100

75. Higher alcohols are:

Question 75 of 100

Question 76 of 100

76. X-rays were discovered by:

Question 76 of 100

Question 77 of 100

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

Question 77 of 100

Question 78 of 100

78. Isomers have same properties:

Question 78 of 100

Question 79 of 100

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

Question 79 of 100

Question 80 of 100

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

Question 80 of 100

Question 81 of 100

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

Question 81 of 100

Question 82 of 100

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

Question 82 of 100

Question 83 of 100

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

Question 83 of 100

Question 84 of 100

84. The rate of reaction:

Question 84 of 100

Question 85 of 100

85. Oxides of metals are:

Question 85 of 100

Question 86 of 100

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

Question 86 of 100

Question 87 of 100

87. Cell potential depends upon:

Question 87 of 100

Question 88 of 100

88. Which will cook food more easily:

Question 88 of 100

Question 89 of 100

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

Question 89 of 100

Question 90 of 100

90. Metallic conduction is also called as:

Question 90 of 100

Question 91 of 100

91. Halokanes are:

Question 91 of 100

Question 92 of 100

92. Most stable hydrides is of:

Question 92 of 100

Question 93 of 100

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

Question 93 of 100

Question 94 of 100

94. The nature of positive rays depends on:

Question 94 of 100

Question 95 of 100

95. SN₂ reactions can be best carried out with:

Question 95 of 100

Question 96 of 100

96. Metals tends to lose electrons, becoming:

Question 96 of 100

Question 97 of 100

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

Question 97 of 100

Question 98 of 100

98. The SI unit of heat + energy is:

Question 98 of 100

Question 99 of 100

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

Question 99 of 100

Question 100 of 100

Uncategorized

100. Mendeleev was a scientist:

Question 100 of 100


 

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