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. Silica contains oxygen by weight:

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2. Biopolymers are:

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3. Kinetic theory of gas was put forward by:

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4. SN₂ reactions can be best carried out with:

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

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6. 4-d series is in the period:

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

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

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9. Isomers have same properties:

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

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11. Grape sugar or blood sugar is called to:

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12. 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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13. Which has least melting point among the given?

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14. Catalyst changes:

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Question 15 of 100

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

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16. X-rays were discovered by:

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

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

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19. Entropy is a measure of ______ system.

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20. All gases can be compressed by:

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Question 21 of 100

21. The benzene molecule contains:

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22. Ketones react with sodium nitroprusside alkaline giving precipitate:

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23. X-rays have same nature as:

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24. Inside every fluorescent lamp there is present a:

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

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26. Reaction of HNO₃with benzene gives:

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27. Metals tends to lose electrons, becoming:

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Question 28 of 100

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

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29. Which is an inert gas?

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Question 30 of 100

30. An ion having negative charge is called:

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Question 31 of 100

31. Salts of dichromic acids are:

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32. Alpha rays consists of:

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Question 33 of 100

33. In exothermic reactions,  ΔH is:

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34. Arenes are also called:

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Question 35 of 100

35. Most stable hydrides is of:

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Question 36 of 100

36. The molecule has triple bond in it:

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

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38. The covalent radius of Cl atom is:

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39. Halokanes are:

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40. Which property of oxygen resembles with sulphur?

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41. Alcohols are:

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42. Swedish chemist J. Berzelius determined:

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

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44. Mineral oil is called:

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Question 45 of 100

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

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46. Dextose is also called:

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

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

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Question 49 of 100

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

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Question 50 of 100

50. Oxides of metals are:

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Question 51 of 100

51. Covalent compounds mostly exist in the form of:

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Question 52 of 100

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

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53. Carboxyl compounds have functional group:

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Question 54 of 100

54. The mass of one mole of iodine:

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55. The dipole moment of orthochlorobenzene is:

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56. Buffer capacity is maximum when both components have:

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

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58. The rate of reaction:

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

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Question 60 of 100

60. Borax in water is:

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

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62. The SI unit of heat + energy is:

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Question 63 of 100

63. Evaporation of water is a:

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Question 64 of 100

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

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Question 65 of 100

65. Which one is more toxic?

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66. Cell potential depends upon:

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67. Plasma consists of:

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68. Oxidation of NO in air produces:

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

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70. The dipole moment of water is:

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71. The nature of positive rays depends on:

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

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

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74. Molarity of pure water is:

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75. Higher alcohols are:

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

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77. DDT is a:

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78. Benzyl acetate has flavour of:

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

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80. Acetic acid is manufactured by:

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81. Metallic conduction is also called as:

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82. Major component of natural gas is:

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83. Formula of cryolite is:

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84. The sum of pH and pOH is:

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85. Bakelite is a:

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86. Pb has inert pair of electrons:

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87. Esters are used as:

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

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89. A limiting reactants is one:

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90. Vegetable oils are:

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91. Catalytic oxidation of benzene gives:

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92. X-rays are attracted towards:

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

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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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Question 95 of 100

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

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96. Properties of metals are:

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97. Type of isomerism in BrCH=CHBr is:

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98. Which will cook food more easily:

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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

Hey there! I'm Maan Ali, your online test prep pal. Join me in the adventure of acing exams with ease. I'll share tricks, practice tests, and all you need to rock your studies. Let's make learning fun and success a sure thing!
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