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

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. 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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2. Which will cook food more easily:

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3. Plasma consists of:

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

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

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

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

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

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10. Catalyst changes:

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Question 11 of 100

11. Silica contains oxygen by weight:

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12. In exothermic reactions,  ΔH is:

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

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14. Swedish chemist J. Berzelius determined:

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15. X-rays were discovered by:

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16. Oxides of metals are:

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

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18. Grape sugar or blood sugar is called to:

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19. The SI unit of heat + energy is:

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20. Alcohols are:

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

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

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23. Ketones react with sodium nitroprusside alkaline giving precipitate:

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24. X-rays are attracted towards:

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25. Acetic acid is manufactured by:

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26. Properties of metals are:

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27. Dextose is also called:

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28. Isomers have same properties:

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29. The benzene molecule contains:

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Question 30 of 100

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

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

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32. X-rays have same nature as:

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33. Borax in water is:

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

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35. Carboxyl compounds have functional group:

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36. Inside every fluorescent lamp there is present a:

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37. DDT is a:

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38. Which one is more toxic?

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39. Benzyl acetate has flavour of:

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

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41. Biopolymers are:

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42. A limiting reactants is one:

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

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Question 44 of 100

44. Type of isomerism in BrCH=CHBr is:

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45. Oxidation of NO in air produces:

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

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Question 47 of 100

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

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48. Arenes are also called:

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49. Molarity of pure water is:

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50. Metallic conduction is also called as:

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51. Bakelite is a:

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

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53. The nature of positive rays depends on:

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54. All gases can be compressed by:

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55. The covalent radius of Cl atom is:

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56. Halokanes are:

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57. 4-d series is in the period:

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58. Metals tends to lose electrons, becoming:

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59. Buffer capacity is maximum when both components have:

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60. Covalent compounds mostly exist in the form of:

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61. Entropy is a measure of ______ system.

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62. Which property of oxygen resembles with sulphur?

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63. Pb has inert pair of electrons:

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Question 64 of 100

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

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Question 65 of 100

65. Formula of cryolite is:

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

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67. The dipole moment of orthochlorobenzene is:

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68. Reaction of HNO₃with benzene gives:

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69. The dipole moment of water is:

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

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

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Question 72 of 100

72. Which has least melting point among the given?

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73. The molecule has triple bond in it:

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

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75. The rate of reaction:

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76. Mineral oil is called:

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77. Kinetic theory of gas was put forward by:

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78. Evaporation of water is a:

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79. The mass of one mole of iodine:

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80. Alpha rays consists of:

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81. Catalytic oxidation of benzene gives:

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82. Cell potential depends upon:

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83. Most stable hydrides is of:

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84. Higher alcohols are:

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85. Esters are used as:

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86. An ion having negative charge is called:

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87. Salts of dichromic acids are:

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

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89. Major component of natural gas is:

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90. The sum of pH and pOH is:

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

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

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

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

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95. Which is an inert gas?

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96. Vegetable oils are:

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97. A good reservoirs of energy to body is:

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

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99. SN₂ reactions can be best carried out with:

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Uncategorized

100. Mendeleev was a scientist:

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One comment

  1. I got 87%.

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