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. Oxides of metals are:

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

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

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

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

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6. Biopolymers are:

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7. Major component of natural gas is:

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8. Benzyl acetate has flavour of:

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Question 9 of 100

9. A good reservoirs of energy to body is:

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Question 10 of 100

10. Formula of cryolite is:

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Question 11 of 100

11. Kinetic theory of gas was put forward by:

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Question 12 of 100

12. Carboxyl compounds have functional group:

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13. The covalent radius of Cl atom is:

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14. Dextose is also called:

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Question 15 of 100

15. Mineral oil is called:

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Question 16 of 100

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

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

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Question 18 of 100

18. Properties of metals are:

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

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20. 4-d series is in the period:

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21. Pb has inert pair of electrons:

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

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23. Metals tends to lose electrons, becoming:

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24. Which has least melting point among the given?

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

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

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27. Higher alcohols are:

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28. The molecule has triple bond in it:

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Question 29 of 100

29. Type of isomerism in BrCH=CHBr is:

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30. The mass of one mole of iodine:

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Question 31 of 100

31. The sum of pH and pOH is:

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Question 32 of 100

32. 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 33 of 100

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

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

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37. Inside every fluorescent lamp there is present a:

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38. Molarity of pure water is:

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39. The dipole moment of orthochlorobenzene is:

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40. Bakelite is a:

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41. SN₂ reactions can be best carried out with:

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42. All gases can be compressed by:

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43. Plasma consists of:

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44. The nature of positive rays depends on:

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Question 45 of 100

45. Entropy is a measure of ______ system.

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Question 46 of 100

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

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Question 47 of 100

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

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Question 48 of 100

48. Silica contains oxygen by weight:

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Question 49 of 100

49. Ketones react with sodium nitroprusside alkaline giving precipitate:

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Question 50 of 100

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

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Question 51 of 100

51. Grape sugar or blood sugar is called to:

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52. Acetic acid is manufactured by:

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53. Which is an inert gas?

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54. Which one is more toxic?

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Question 55 of 100

55. Swedish chemist J. Berzelius determined:

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Question 56 of 100

56. An ion having negative charge is called:

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

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Question 58 of 100

58. The benzene molecule contains:

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

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Question 60 of 100

60. Alpha rays consists of:

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Question 61 of 100

61. Salts of dichromic acids are:

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62. Metallic conduction is also called as:

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63. In exothermic reactions,  ΔH is:

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Question 64 of 100

64. A limiting reactants is one:

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Question 65 of 100

65. X-rays were discovered by:

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Question 66 of 100

66. Reaction of HNO₃with benzene gives:

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

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68. The rate of reaction:

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69. Catalytic oxidation of benzene gives:

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70. Which property of oxygen resembles with sulphur?

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71. Borax in water is:

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72. 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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73. Most of the universe consists of the matter in:

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Question 74 of 100

74. Esters are used as:

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Question 75 of 100

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

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76. Vegetable oils are:

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77. Oxidation of NO in air produces:

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Question 78 of 100

78. Cell potential depends upon:

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Question 79 of 100

79. The dipole moment of water is:

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80. Evaporation of water is a:

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81. X-rays have same nature as:

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82. Covalent compounds mostly exist in the form of:

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83. Which will cook food more easily:

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84. Buffer capacity is maximum when both components have:

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

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86. Halokanes are:

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

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88. The SI unit of heat + energy is:

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89. Catalyst changes:

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90. Arenes are also called:

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

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92. DDT is a:

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

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94. Isomers have same properties:

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Question 95 of 100

95. Most stable hydrides is of:

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Question 96 of 100

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

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97. Alcohols are:

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98. X-rays are attracted towards:

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

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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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