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

 

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Mega Quiz

1. Which is an inert gas?

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

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3. Which one is more toxic?

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4. Catalyst changes:

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5. Ketones react with sodium nitroprusside alkaline giving precipitate:

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6. Covalent compounds mostly exist in the form of:

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

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8. Metals tends to lose electrons, becoming:

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9. X-rays were discovered by:

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10. Entropy is a measure of ______ system.

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11. Biopolymers are:

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12. The rate of reaction:

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

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

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

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16. Kinetic theory of gas was put forward by:

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

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

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19. The SI unit of heat + energy is:

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20. Grape sugar or blood sugar is called to:

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21. DDT is a:

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

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23. Esters are used as:

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

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

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26. Dextose is also called:

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

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28. Catalytic oxidation of benzene gives:

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

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30. 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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31. The dipole moment of orthochlorobenzene is:

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

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33. Borax in water is:

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34. The sum of pH and pOH is:

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35. Pb has inert pair of electrons:

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

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37. Type of isomerism in BrCH=CHBr is:

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38. Oxides of metals are:

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39. Which has least melting point among the given?

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40. All gases can be compressed by:

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41. Halokanes are:

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42. X-rays are attracted towards:

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

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44. Molarity of pure water is:

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45. A good reservoirs of energy to body is:

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46. The dipole moment of water is:

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47. Mineral oil is called:

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48. The mass of one mole of iodine:

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49. Vegetable oils are:

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50. Bakelite is a:

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51. Inside every fluorescent lamp there is present a:

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52. SN₂ reactions can be best carried out with:

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53. An ion having negative charge is called:

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

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55. Properties of metals are:

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

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57. Major component of natural gas is:

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

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59. Alcohols are:

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

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61. The covalent radius of Cl atom is:

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62. Acetic acid is manufactured by:

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

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

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

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66. X-rays have same nature as:

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67. Plasma consists of:

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68. Swedish chemist J. Berzelius determined:

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69. Formula of cryolite is:

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

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71. Benzyl acetate has flavour of:

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72. A limiting reactants is one:

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73. The nature of positive rays depends on:

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74. 4-d series is in the period:

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75. Silica contains oxygen by weight:

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76. Which property of oxygen resembles with sulphur?

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77. Oxidation of NO in air produces:

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78. Reaction of HNO₃with benzene gives:

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79. In exothermic reactions,  ΔH is:

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80. Cell potential depends upon:

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81. The molecule has triple bond in it:

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82. The benzene molecule contains:

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83. Arenes are also called:

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84. Most stable hydrides is of:

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85. Salts of dichromic acids are:

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86. Buffer capacity is maximum when both components have:

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87. Metallic conduction is also called as:

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88. Higher alcohols are:

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89. Which will cook food more easily:

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90. Evaporation of water is a:

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

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

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

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94. Carboxyl compounds have functional group:

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

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97. Isomers have same properties:

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98. Alpha rays consists of:

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

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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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