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

Maan AliLast Updated: January 29, 2021

Start your preparation for 100 Important Chemistry Questions Quiz Online Basic Info Mcq’s Practice Test with Answers. This online test contains important MCQs from past papers. Attempting this test will help you prepare for Annual Exams and Entry Tests. Read the questions carefully and select the correct option below to see your result.

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. Metals tends to lose electrons, becoming:

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

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3. Entropy is a measure of ______ system.

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

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5. The dipole moment of orthochlorobenzene is:

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6. 4-d series is in the period:

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7. Major component of natural gas is:

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8. Most stable hydrides is of:

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

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

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11. Benzyl acetate has flavour of:

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12. Inside every fluorescent lamp there is present a:

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13. X-rays were discovered by:

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

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

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

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

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18. The covalent radius of Cl atom is:

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

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

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

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22. Acetic acid is manufactured by:

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23. Alcohols are:

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24. Borax in water is:

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

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

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27. Vegetable oils are:

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28. The sum of pH and pOH is:

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29. DDT is a:

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30. Kinetic theory of gas was put forward by:

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31. A good reservoirs of energy to body is:

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32. Which is an inert gas?

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33. SN₂ reactions can be best carried out with:

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34. The rate of reaction:

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35. Biopolymers are:

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

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

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38. The benzene molecule contains:

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39. Covalent compounds mostly exist in the form of:

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

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41. Catalytic oxidation of benzene gives:

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42. Buffer capacity is maximum when both components have:

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43. Esters are used as:

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44. Pb has inert pair of electrons:

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45. Which will cook food more easily:

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46. Halokanes are:

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47. X-rays are attracted towards:

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Question 48 of 100

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

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50. Silica contains oxygen by weight:

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

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52. Cell potential depends upon:

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53. Which property of oxygen resembles with sulphur?

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54. The mass of one mole of iodine:

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55. Swedish chemist J. Berzelius determined:

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56. Metallic conduction is also called as:

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57. Which one is more toxic?

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58. Higher alcohols are:

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59. The SI unit of heat + energy is:

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60. The molecule has triple bond in it:

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61. Arenes are also called:

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62. Plasma consists of:

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63. Molarity of pure water is:

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64. Which has least melting point among the given?

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65. An ion having negative charge is called:

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66. All gases can be compressed by:

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

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68. Salts of dichromic acids are:

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69. Oxidation of NO in air produces:

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

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

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

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73. X-rays have same nature as:

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74. Mineral oil is called:

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75. Grape sugar or blood sugar is called to:

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76. A limiting reactants is one:

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77. Dextose is also called:

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78. The dipole moment of water is:

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79. Type of isomerism in BrCH=CHBr is:

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80. Ketones react with sodium nitroprusside alkaline giving precipitate:

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81. Properties of metals are:

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82. Reaction of HNO₃with benzene gives:

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

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84. Catalyst changes:

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85. Carboxyl compounds have functional group:

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

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

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89. Formula of cryolite is:

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

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91. In exothermic reactions,  ΔH is:

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92. Alpha rays consists of:

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

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94. Bakelite is a:

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

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96. Isomers have same properties:

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97. Oxides of metals are:

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98. Evaporation of water is a:

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99. The nature of positive rays depends on:

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Uncategorized

100. Mendeleev was a scientist:

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How to Score High in 100 Important Chemistry Questions Quiz Online Basic Info Mcq’s Practice Test with Answers?

Mastering scientific subjects requires conceptual clarity.

Key Preparation Tips:

  • Concepts First: Ensure you understand the underlying theories before attempting the MCQs.
  • Time Management: Attempt this online quiz multiple times to improve your speed.

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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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