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Chemistry Mega Quiz Online MCQs

Test Name Chemistry Mega Quiz
Subject Science
Test Type MCQs
Total Question 50
Total Marks 100
Total Time 50 Mints
Test Help For
  • Chemistry Subject test Prep.
  • Mock test preparation.
  • Medical Test preparation.
  • Recruitment test prep.

Chemistry is the branch of science which deals with the composition, structure, properties and reactions of the matter. It contains a lot of knowledge about the world most smallest particles and their all characteristics. All the candidates should attempt this test because it contains the most interesting and important questions and answers which are very helpful in almost all kind of tests. after attempting these questions you will be able to clear any recruitment test, medical entrance test, MCAT, engineering college admission test etc. Chemistry Mega Quiz is given below.

Chemistry Mega Quiz Online MCQs

Mega Quiz

1. Given the reaction:
2A (gas) + B(gas) ⇌ C (gas) = 100 kJ Which combination of pressure and temperature would give the highest yield of C at equilibrium?

Question 1 of 78

2. Who observed that when the nucleus of uranium atom was bombarded with fast moving neutrons, it becomes so very unstable that it is immediately broken into two nuclei of nearly equal mass besides other fragments?

Question 2 of 78

3. The atomic wt. of thorium is 232 and atomic number 90 at the end of disintegration we obtain an isotope of lead (At. Wt. 208, At. no. 82). The no. of emitted (a) and (b) particles are:

Question 3 of 78

4. No two electrons in an atom can have the same values of all four quantum numbers according to:

Question 4 of 78

5. Adipic acid and hexa methylenediamine on polymerization form:

Question 5 of 78

6. Higher the bond order greater is:

Question 6 of 78

7. 1 mole of sugar (non-volatile)is dissolved in two moles of water, the vapour pressure of the solution relative to that of pure solvent is:

Question 7 of 78

8. Which of the following polymer is developed by step growth polymeri-zation?

Question 8 of 78

9. Which of the following reaction is a redox reaction?

Question 9 of 78

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

Question 10 of 78

11. All gases can be compressed by:

Question 11 of 78

12. X-rays have same nature as:

Question 12 of 78

13. p-bromo aniline can be obtained from aniline by reacting it:

Question 13 of 78

14. The exchange of particles considered responsible for keeping the nucleons together are:

Question 14 of 78

15. One mole of electrons is same as:

Question 15 of 78

16. The compound commonly used as electrolyte in lead storage batteries is:

Question 16 of 78

17. X-rays are attracted towards:

Question 17 of 78

18. Inside every fluorescent lamp there is present a:

Question 18 of 78

19. For a first order reaction the graph will be a straight line in case the value ……….. are plotted.

Question 19 of 78

20. Which of the following species does not contain hydrogen in negative oxidation state?

Question 20 of 78

21. An ion having negative charge is called:

Question 21 of 78

22. Active mass represents:

Question 22 of 78

23. If uranium (mass no. 238, atomic number 92) emits α-particles the product has mass no. and atomic number

Question 23 of 78

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

Question 24 of 78

25. Plasma consists of:

Question 25 of 78

26. All the radioactive changes are of:

Question 26 of 78

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

Question 27 of 78

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

Question 28 of 78

29. To obtain 2.70 of silver (at. Mass 108) from an aqueous solution of AgNO₃ it is required to pass:

Question 29 of 78

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

Question 30 of 78

31. Geometrical isomerism exist due to presence of

Question 31 of 78

32. An example of chain growth polymer is:

Question 32 of 78

33. The covalent radius of Cl atom is:

Question 33 of 78

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

Question 34 of 78

35. The nature of positive rays depends on:

Question 35 of 78

36. Among the following groups of elements, the one whose elements can have positive as well as negative oxidation states are:

Question 36 of 78

37. The mass of one mole of iodine:

Question 37 of 78

38. Alpha rays consists of:

Question 38 of 78

39. Which of the following pairs of ions cannot coexist in aqueous solution?

Question 39 of 78

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

Question 40 of 78

41. Which of the following exist as dimmers?

Question 41 of 78

42. According to Law of Mass action, the rate of reaction is directly proportional to:

Question 42 of 78

43. A limiting reactants is one:

Question 43 of 78

44. Which of the following has the largest size?

Question 44 of 78

45. The molarity of a solution containing 49g of HPO₄ in 2 liters of solution is:

Question 45 of 78

46. The fundamental particle that has been least mass is:

Question 46 of 78

47. Molarity of pure water is:

Question 47 of 78

48. The dipole moment of water is:

Question 48 of 78

49. Alcohols are isomeric with:

Question 49 of 78

50. C----C bond length is minimum in:

Question 50 of 78

51. Which of the following compounds would exhibit geometrical isomerism?

Question 51 of 78

52. Is the reaction 2Al + 3Fe²⁺  2Al³⁺  3Fe possible?

Question 52 of 78

53. Element belonging to the same period are:

Question 53 of 78

54. Among the following ions are, which are has the highest paramagnetism?

Question 54 of 78

55. Kinetic theory of gas was put forward by:

Question 55 of 78

56. The α-particle is:

Question 56 of 78

57. The dipole moment of orthochlorobenzene is:

Question 57 of 78

58. X-rays were discovered by:

Question 58 of 78

59. Aniline is purified by:

Question 59 of 78

60. Diastereomers are a pair

Question 60 of 78

61. Metals tends to lose electrons, becoming:

Question 61 of 78

62. The reaction though bimolecular but following the kinetics of the first order is called:

Question 62 of 78

63. Which of the following compounds have lowest negative oxidation number of oxygen?

Question 63 of 78

64. Which one of the following is not a green house gas?


Question 64 of 78

65. The ionization energy of nitrogen is more than that of oxygen because of:

Question 65 of 78

66. 1 normal solution of H₂SO₄ is also:

Question 66 of 78

67. The atomic wt. of uranium is 238 and its atomic number 92. In course of its radioactive disintegration 8α and 6β particles are emitted, the atomic wt. and atomic no. of the resultant atoms are:

Question 67 of 78

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

Question 68 of 78

69. Covalent compounds mostly exist in the form of:

Question 69 of 78

70. Swedish chemist J. Berzelius determined:

Question 70 of 78

71. One gm mole of CH₃COOH were made to react with one gm mole of C₂H₅OH till the equilibrium was established. The equilibrium mixture was found to contain 0.333 gm mole of unused acid. The equilibrium constant for the reaction is:

Question 71 of 78

72. Amount of the substance required to prepare one liter of 2N solution is:

Question 72 of 78

73. Fries rearrangement is:

Question 73 of 78

74. The increase in bond order results in:

Question 74 of 78

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

Question 75 of 78

76. 0.2 mole of an inert gas were added to the system 2Hl(g) ⇌ H₂(g) + I₂(g) at equilibrium. The dissociation of HI will:

Question 76 of 78

77. Polystyrene is a/an:

Question 77 of 78

78. Isomers that are mirror image of each other are called

Question 78 of 78


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