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. Entropy is a measure of ______ system.

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2. 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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3. Carboxyl compounds have functional group:

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4. Alcohols are:

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5. Dextose is also called:

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6. Plasma consists of:

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7. Catalytic oxidation of benzene gives:

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Question 8 of 100

8. DDT is a:

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Question 9 of 100

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

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10. Most stable hydrides is of:

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11. All gases can be compressed by:

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Question 12 of 100

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

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13. Which property of oxygen resembles with sulphur?

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14. The dipole moment of water is:

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15. Covalent compounds mostly exist in the form of:

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

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Question 17 of 100

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

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18. Alpha rays consists of:

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19. 4-d series is in the period:

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20. Vegetable oils are:

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21. Which one is more toxic?

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

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23. Which is an inert gas?

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

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25. The molecule has triple bond in it:

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26. Which has least melting point among the given?

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27. The covalent radius of Cl atom is:

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28. Oxides of metals are:

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29. SN₂ reactions can be best carried out with:

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30. Type of isomerism in BrCH=CHBr is:

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31. The sum of pH and pOH is:

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Question 32 of 100

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

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

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34. Metals tends to lose electrons, becoming:

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Question 35 of 100

35. Grape sugar or blood sugar is called to:

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36. Buffer capacity is maximum when both components have:

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37. Isomers have same properties:

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38. Acetic acid is manufactured by:

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

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

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

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

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

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44. X-rays are attracted towards:

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Question 45 of 100

45. Cell potential depends upon:

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46. Halokanes are:

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47. Mineral oil is called:

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Question 48 of 100

48. X-rays were discovered by:

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

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Question 50 of 100

50. Benzyl acetate has flavour of:

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51. Which will cook food more easily:

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52. Higher alcohols are:

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53. A limiting reactants is one:

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54. Properties of metals are:

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55. Arenes are also called:

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

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57. 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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58. Bakelite is a:

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59. X-rays have same nature as:

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

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

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

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Question 63 of 100

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

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Question 64 of 100

64. Borax in water is:

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Question 65 of 100

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

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

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67. Salts of dichromic acids are:

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68. Formula of cryolite is:

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69. Oxidation of NO in air produces:

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70. The SI unit of heat + energy is:

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71. The mass of one mole of iodine:

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72. Catalyst changes:

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73. Major component of natural gas is:

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74. Esters are used as:

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Question 75 of 100

75. The nature of positive rays depends on:

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

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77. Swedish chemist J. Berzelius determined:

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78. Evaporation of water is a:

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79. In exothermic reactions,  ΔH is:

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80. A good reservoirs of energy to body is:

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

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82. Kinetic theory of gas was put forward by:

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83. The dipole moment of orthochlorobenzene is:

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

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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. Metallic conduction is also called as:

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

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

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89. Inside every fluorescent lamp there is present a:

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90. Pb has inert pair of electrons:

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91. Biopolymers are:

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92. The rate of reaction:

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93. Silica contains oxygen by weight:

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Question 94 of 100

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

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Question 95 of 100

95. Reaction of HNO₃with benzene gives:

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Question 96 of 100

96. Molarity of pure water is:

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97. Ketones react with sodium nitroprusside alkaline giving precipitate:

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98. The benzene molecule contains:

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99. An ion having negative charge is called:

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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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