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

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2. Evaporation of water is a:

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3. The dipole moment of orthochlorobenzene is:

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4. Arenes are also called:

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

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6. Grape sugar or blood sugar is called to:

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7. The sum of pH and pOH is:

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8. 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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9. SN₂ reactions can be best carried out with:

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10. Carboxyl compounds have functional group:

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11. The mass of one mole of iodine:

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12. A limiting reactants is one:

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13. Oxidation of NO in air produces:

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

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

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

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

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18. DDT is a:

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19. In exothermic reactions,  ΔH is:

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20. Alpha rays consists of:

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

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22. Higher alcohols are:

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

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24. Properties of metals are:

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

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

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27. Which will cook food more easily:

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28. Major component of natural gas is:

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

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30. Covalent compounds mostly exist in the form of:

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

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32. Halokanes are:

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33. 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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34. Benzyl acetate has flavour of:

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35. Salts of dichromic acids are:

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36. Catalyst changes:

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37. Alcohols are:

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38. Vegetable oils are:

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39. An ion having negative charge is called:

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40. A good reservoirs of energy to body is:

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41. X-rays are attracted towards:

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

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43. The dipole moment of water is:

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44. Most stable hydrides is of:

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45. Buffer capacity is maximum when both components have:

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

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47. X-rays were discovered by:

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48. Kinetic theory of gas was put forward by:

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

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50. Isomers have same properties:

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Question 51 of 100

51. Plasma consists of:

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52. Ketones react with sodium nitroprusside alkaline giving precipitate:

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53. X-rays have same nature as:

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54. Reaction of HNO₃with benzene gives:

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

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56. Swedish chemist J. Berzelius determined:

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57. Acetic acid is manufactured by:

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

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

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

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61. Borax in water is:

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62. Oxides of metals are:

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63. Esters are used as:

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64. Which is an inert gas?

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

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66. 4-d series is in the period:

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67. Which has least melting point among the given?

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68. All gases can be compressed by:

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

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

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

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

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73. Metals tends to lose electrons, becoming:

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74. Pb has inert pair of electrons:

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

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

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77. The nature of positive rays depends on:

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78. Formula of cryolite is:

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79. Bakelite is a:

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80. Which property of oxygen resembles with sulphur?

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

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82. The benzene molecule contains:

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83. The covalent radius of Cl atom is:

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84. Biopolymers are:

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85. Cell potential depends upon:

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86. Mineral oil is called:

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87. The SI unit of heat + energy is:

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

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89. Entropy is a measure of ______ system.

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90. Dextose is also called:

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91. Inside every fluorescent lamp there is present a:

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92. Metallic conduction is also called as:

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93. The molecule has triple bond in it:

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94. Type of isomerism in BrCH=CHBr is:

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95. Silica contains oxygen by weight:

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96. Catalytic oxidation of benzene gives:

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97. The rate of reaction:

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98. Molarity of pure water is:

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99. Which one is more toxic?

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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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