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

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. The molecule has triple bond in it:

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2. A limiting reactants is one:

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3. Ketones react with sodium nitroprusside alkaline giving precipitate:

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

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

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6. Covalent compounds mostly exist in the form of:

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

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8. X-rays were discovered by:

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

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10. SN₂ reactions can be best carried out with:

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11. Biopolymers are:

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

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13. Which will cook food more easily:

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14. Alpha rays consists of:

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15. Properties of metals are:

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Question 16 of 100

16. Buffer capacity is maximum when both components have:

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17. The mass of one mole of iodine:

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

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19. Cell potential depends upon:

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20. Acetic acid is manufactured by:

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21. The nature of positive rays depends on:

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22. All gases can be compressed by:

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23. Arenes are also called:

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24. The SI unit of heat + energy is:

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25. The rate of reaction:

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26. Alcohols are:

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

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

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Question 29 of 100

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

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Question 30 of 100

30. Esters are used as:

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

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Question 32 of 100

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

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33. A good reservoirs of energy to body is:

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34. 4-d series is in the period:

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Question 35 of 100

35. The dipole moment of orthochlorobenzene is:

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

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

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38. Type of isomerism in BrCH=CHBr is:

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39. 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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40. The sum of pH and pOH is:

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41. Catalyst changes:

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42. Dextose is also called:

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43. Halokanes are:

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44. Plasma consists of:

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Question 45 of 100

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

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

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47. Higher alcohols are:

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Question 48 of 100

48. Major component of natural gas is:

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Question 49 of 100

49. Most stable hydrides is of:

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Question 50 of 100

50. The dipole moment of water is:

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Question 51 of 100

51. Formula of cryolite is:

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Question 52 of 100

52. Silica contains oxygen by weight:

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

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Question 54 of 100

54. Oxidation of NO in air produces:

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55. Mineral oil is called:

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56. Isomers have same properties:

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57. Which one is more toxic?

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58. Which has least melting point among the given?

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59. X-rays are attracted towards:

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60. Oxides of metals are:

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61. Inside every fluorescent lamp there is present a:

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

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63. DDT is a:

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64. Bakelite is a:

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

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Question 66 of 100

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

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Question 67 of 100

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

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68. The benzene molecule contains:

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69. In exothermic reactions,  ΔH is:

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

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71. The covalent radius of Cl atom is:

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

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73. Evaporation of water is a:

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Question 74 of 100

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

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

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76. Carboxyl compounds have functional group:

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77. 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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78. Most of the universe consists of the matter in:

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Question 79 of 100

79. Swedish chemist J. Berzelius determined:

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80. Kinetic theory of gas was put forward by:

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81. Benzyl acetate has flavour of:

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82. Which is an inert gas?

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83. Metals tends to lose electrons, becoming:

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84. Pb has inert pair of electrons:

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85. Molarity of pure water is:

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86. An ion having negative charge is called:

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87. Borax in water is:

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88. Salts of dichromic acids are:

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Question 89 of 100

89. Reaction of HNO₃with benzene gives:

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90. Grape sugar or blood sugar is called to:

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91. Entropy is a measure of ______ system.

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

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93. Catalytic oxidation of benzene gives:

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

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Question 95 of 100

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

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96. X-rays have same nature as:

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97. Metallic conduction is also called as:

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98. Vegetable oils are:

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99. Which property of oxygen resembles with sulphur?

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Uncategorized

100. Mendeleev was a scientist:

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Maan AliLast Updated: January 29, 2021

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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