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

Maan AliLast Updated: January 29, 2021
Less than a minute

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 sum of mole fractions of components of a solution is equal to:

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2. Ketones react with sodium nitroprusside alkaline giving precipitate:

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3. The molecule has triple bond in it:

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4. Formula of cryolite is:

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5. Vegetable oils are:

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6. Fuel cells are mostly used in space aircrafts as the source 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. Fuel cells are the means by which chemical energy may be converted into:

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

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10. Grape sugar or blood sugar is called to:

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11. The rate of reaction:

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12. Which property of oxygen resembles with sulphur?

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13. Swedish chemist J. Berzelius determined:

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

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15. Which one is more toxic?

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16. Which has least melting point among the given?

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17. Salts of dichromic acids are:

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

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19. The sum of pH and pOH is:

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20. The nature of positive rays depends on:

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21. In exothermic reactions,  ΔH is:

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22. The dipole moment of orthochlorobenzene is:

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23. Oxides of metals are:

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24. Bakelite is a:

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

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26. Isomers have same properties:

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27. Higher alcohols are:

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28. Benzyl acetate has flavour of:

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29. Covalent compounds mostly exist in the form of:

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30. An ion having negative charge is called:

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31. Oxidation of NO in air produces:

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32. Type of isomerism in BrCH=CHBr is:

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33. Which will cook food more easily:

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34. Kinetic theory of gas was put forward by:

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Question 35 of 100

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

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36. 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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37. Plasma consists of:

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38. Halokanes are:

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39. Alcohols are:

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

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41. The benzene molecule contains:

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42. X-rays are attracted towards:

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43. The dipole moment of water is:

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44. Inside every fluorescent lamp there is present a:

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45. Borax in water is:

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

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

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Question 48 of 100

48. 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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Question 49 of 100

49. Major component of natural gas is:

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Question 50 of 100

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

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

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52. Metallic conduction is also called as:

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53. Molarity of pure water is:

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54. Arenes are also called:

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

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

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57. A limiting reactants is one:

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

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59. Acetic acid is manufactured by:

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

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61. Alpha rays consists of:

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62. X-rays have same nature as:

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

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64. DDT is a:

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65. Properties of metals are:

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66. Reaction of HNO₃with benzene gives:

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

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68. The SI unit of heat + energy is:

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69. SN₂ reactions can be best carried out with:

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70. All gases can be compressed by:

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

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72. Evaporation of water is a:

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

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

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75. Catalytic oxidation of benzene gives:

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

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

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78. Mineral oil is called:

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79. Esters are used as:

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80. Dextose is also called:

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81. 4-d series is in the period:

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

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83. Most stable hydrides is of:

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84. Cell potential depends upon:

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85. The mass of one mole of iodine:

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86. Metals tends to lose electrons, becoming:

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87. Entropy is a measure of ______ system.

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88. Pb has inert pair of electrons:

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89. Catalyst changes:

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90. The covalent radius of Cl atom is:

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

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92. X-rays were discovered by:

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93. Which is an inert gas?

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94. Buffer capacity is maximum when both components have:

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95. A good reservoirs of energy to body is:

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96. Silica contains oxygen by weight:

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97. Biopolymers are:

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98. Carboxyl compounds have functional group:

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

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Uncategorized

100. Mendeleev was a scientist:

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Maan AliLast Updated: January 29, 2021
Less than a minute

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