General Chemistry MCQ
1. What is a zwitterion?
Answer
Correct Answer:
The dipolar amino acid formed when a hydrogen ion transfers from an acid group to an amine group.
Note: This Question is unanswered, help us to find answer for this one
2. What is the name for the element with atomic number 40?
Answer
Correct Answer:
Zirconium
Note: This Question is unanswered, help us to find answer for this one
3. What is the name for the element with atomic number 30?
Note: This Question is unanswered, help us to find answer for this one
4. Which group does zinc belong to?
Answer
Correct Answer:
Transition metals
Note: This Question is unanswered, help us to find answer for this one
5. What is zeta potential?
Answer
Correct Answer:
The potential difference across the phase boundary between a liquid and a solid
Note: This Question is unanswered, help us to find answer for this one
6. What does the Zaitsev rule state?
Answer
Correct Answer:
Alkene formation from an elimination reaction will produce more highly substituted alkenes
Note: This Question is unanswered, help us to find answer for this one
7. What is the Zaitsev rule?
Answer
Correct Answer:
Rule in organic chemistry that states alkene formation from an elimination reaction will produce more highly substituted alkenes.
Note: This Question is unanswered, help us to find answer for this one
8. What is Zwitterion?
Answer
Correct Answer:
An amino acid in the doubly ionized form
Note: This Question is unanswered, help us to find answer for this one
9. What is the anode of a Leclanché dry cell?
Note: This Question is unanswered, help us to find answer for this one
10. What is the cathode in a zinc-carbon dry cell?
Answer
Correct Answer:
A graphite rod surrounded by a paste of manganese dioxide, ammonium and zinc chlorides, and carbon black
Note: This Question is unanswered, help us to find answer for this one
11. What is the atomic weight of yttrium?
Note: This Question is unanswered, help us to find answer for this one
12. What is the element symbol for ytterbium?
Note: This Question is unanswered, help us to find answer for this one
13. What does yield refer to in chemistry?
Answer
Correct Answer:
The quantity of a product obtained from a chemical reaction.
Note: This Question is unanswered, help us to find answer for this one
14. What is the wavelength of X-rays?
Answer
Correct Answer:
0.01 to 1.0 nanometers
Note: This Question is unanswered, help us to find answer for this one
15. Xenon is an odorless inert gas that is used to fill which type of tubes?
Answer
Correct Answer:
Cathode ray tubes
Note: This Question is unanswered, help us to find answer for this one
16. What is the atomic weight of Xenon?
Note: This Question is unanswered, help us to find answer for this one
17. What is a working solution?
Answer
Correct Answer:
A chemical solution prepared for use in a lab, usually by diluting a stock solution.
Note: This Question is unanswered, help us to find answer for this one
18. What is work?
Answer
Correct Answer:
Force multiplied by distance or the amount of energy needed to move a mass against a force.
Note: This Question is unanswered, help us to find answer for this one
19. What is a word equation?
Answer
Correct Answer:
A chemical equation expressed in words rather than chemical formulas.
Note: This Question is unanswered, help us to find answer for this one
20. What is weight?
Answer
Correct Answer:
The force on a mass due to the acceleration of gravity (mass multiplied by acceleration).
Note: This Question is unanswered, help us to find answer for this one
21. What is the meaning of "Wedge-and-dash projection"?
Answer
Correct Answer:
Molecule representation using three types of lines to show three-dimensional structure.
Note: This Question is unanswered, help us to find answer for this one
22. What is the name of the molecule representation using three types of lines to show three-dimensional structure?
Answer
Correct Answer:
Wedge-and-dash projection
Note: This Question is unanswered, help us to find answer for this one
23. A weak electrolyte is an electrolyte that ___________.
Answer
Correct Answer:
Does not completely dissociate into its ions in water.
Note: This Question is unanswered, help us to find answer for this one
24. What is wax?
Answer
Correct Answer:
A lipid consisting of chains of esters or alkanes derived from fatty acids and alcohols.
Note: This Question is unanswered, help us to find answer for this one
25. What is the wave-particle duality?
Answer
Correct Answer:
The concept that photons and subatomic particles exhibit properties of both waves and particles.
Note: This Question is unanswered, help us to find answer for this one
26. What is the distance between identical points of two successive waves called?
Answer
Correct Answer:
Wavelength
Note: This Question is unanswered, help us to find answer for this one
27. What does a wavefunction describe?
Answer
Correct Answer:
The probability of the quantum state of a particle in terms of spin, time, position, and/or momentum
Note: This Question is unanswered, help us to find answer for this one
28. What is water of hydration?
Answer
Correct Answer:
Water stoichiometrically bound in a compound, forming a hydrate.
Note: This Question is unanswered, help us to find answer for this one
29. What is water of crystallization?
Answer
Correct Answer:
Water that is stoichiometrically bound in a crystal
Note: This Question is unanswered, help us to find answer for this one
30. What is water gas?
Answer
Correct Answer:
A combustion fuel that contains hydrogen gas and carbon monoxide.
Note: This Question is unanswered, help us to find answer for this one
31. How many oxygen atoms are in one molecule of water?
Note: This Question is unanswered, help us to find answer for this one
32. What is water?
Answer
Correct Answer:
A compound formed by one oxygen atom and two hydrogen atoms
Note: This Question is unanswered, help us to find answer for this one
33. Work is defined as _____ ?
Note: This Question is unanswered, help us to find answer for this one
34. What is a weak electrolyte?
Answer
Correct Answer:
Electrolyte that dissolves in water to give a relatively small percentage of ions
Note: This Question is unanswered, help us to find answer for this one
35. What is a weak base?
Answer
Correct Answer:
A base that is only partly ionized in water.
Note: This Question is unanswered, help us to find answer for this one
36. What is a weak acid?
Answer
Correct Answer:
An acid that is only partly ionized in water; it is a weak electrolyte.
Note: This Question is unanswered, help us to find answer for this one
37. What is the distance between any two adjacent identical points of a wave called?
Answer
Correct Answer:
Wavelength
Note: This Question is unanswered, help us to find answer for this one
38. What is the wavelength?
Answer
Correct Answer:
The distance between any two adjacent identical points of a wave.
Note: This Question is unanswered, help us to find answer for this one
39. What is volumetric analysis?
Answer
Correct Answer:
A method of analysis based on titration
Note: This Question is unanswered, help us to find answer for this one
40. What is a voltaic cell?
Answer
Correct Answer:
An electrochemical cell in which a spontaneous reaction generates an electric current
Note: This Question is unanswered, help us to find answer for this one
41. What is the SI unit of potential difference?
Note: This Question is unanswered, help us to find answer for this one
42. What does "Volatile" refer to?
Answer
Correct Answer:
A liquid or solid having a relatively high vapor pressure at normal temperatures
Note: This Question is unanswered, help us to find answer for this one
43. What is viscosity?
Answer
Correct Answer:
The resistance to flow that is exhibited by all liquids and gases.
Note: This Question is unanswered, help us to find answer for this one
44. What is vapor-pressure lowering?
Answer
Correct Answer:
The vapor pressure of the pure solvent minus the vapor pressure of the solution
Note: This Question is unanswered, help us to find answer for this one
45. What is the change of a solid or a liquid to the vapor called?
Answer
Correct Answer:
Vaporization
Note: This Question is unanswered, help us to find answer for this one
46. What is vapor pressure?
Answer
Correct Answer:
The partial pressure of the vapor over the liquid, measured at equilibrium at a given temperature
Note: This Question is unanswered, help us to find answer for this one
47. What is the gaseous state of any kind of matter that normally exists as a liquid or solid called?
Note: This Question is unanswered, help us to find answer for this one
48. What are van der Waals forces?
Answer
Correct Answer:
General term for those intermolecular forces that include dipole-dipole and London forces
Note: This Question is unanswered, help us to find answer for this one
49. What kind of equation is the van der Waals equation?
Answer
Correct Answer:
An equation similar to the ideal gas law
Note: This Question is unanswered, help us to find answer for this one
50. What is the VSEPR model?
Answer
Correct Answer:
Valence-shell electron-pair repulsion model
Note: This Question is unanswered, help us to find answer for this one
51. What is a valence electron?
Answer
Correct Answer:
An electron in an atom outside the noble-gas or pseudo-noble-gas core
Note: This Question is unanswered, help us to find answer for this one
52. What is valence bond theory?
Answer
Correct Answer:
An approximate theory to explain the electron pair or covalent bond in terms of quantum mechanics
Note: This Question is unanswered, help us to find answer for this one
53. A solution is unsaturated when:
Answer
Correct Answer:
More of the substance can dissolve
Note: This Question is unanswered, help us to find answer for this one
54. What is an unsaturated hydrocarbon?
Answer
Correct Answer:
A hydrocarbon that has at least one double or triple bond between carbon atoms
Note: This Question is unanswered, help us to find answer for this one
55. What is the unit cell?
Answer
Correct Answer:
The smallest boxlike unit from which you can imagine constructing a crystal by stacking the units in three dimensions
Note: This Question is unanswered, help us to find answer for this one
56. What is a unit?
Answer
Correct Answer:
A fixed standard of measurement
Note: This Question is unanswered, help us to find answer for this one
57. What is an unimolecular reaction?
Answer
Correct Answer:
A reaction that involves one reactant molecule
Note: This Question is unanswered, help us to find answer for this one
58. What is the product of the uncertainty in position and the uncertainty in momentum called?
Answer
Correct Answer:
The uncertainty principle
Note: This Question is unanswered, help us to find answer for this one
59. What does T-shaped geometry refer to?
Answer
Correct Answer:
The geometry of a molecule in which three atoms are bonded to a central atom to form a T
Note: This Question is unanswered, help us to find answer for this one
60. What is the triple point?
Answer
Correct Answer:
The point on a phase diagram where three phases of a substance coexist in equilibrium
Note: This Question is unanswered, help us to find answer for this one
61. What is a triple bond?
Answer
Correct Answer:
A covalent bond in which three pairs of electrons are shared by two atoms
Note: This Question is unanswered, help us to find answer for this one
62. How many other atoms surround the central atom in trigonal pyramidal geometry?
Note: This Question is unanswered, help us to find answer for this one
63. How many atoms surround the central atom in trigonal planar geometry?
Note: This Question is unanswered, help us to find answer for this one
64. What is the geometry of a molecule in which five atoms bonded to a central atom occupy the vertices of a trigonal bipyramid?
Answer
Correct Answer:
Trigonal bipyramidal geometry
Note: This Question is unanswered, help us to find answer for this one
65. What is the name given to those elements with atomic numbers greater than that of uranium?
Answer
Correct Answer:
Transuranium elements
Note: This Question is unanswered, help us to find answer for this one
66. What does "Z" represent in the context of transuranium elements?
Answer
Correct Answer:
Atomic number
Note: This Question is unanswered, help us to find answer for this one
67. Transmutation is the change of one element to:
Answer
Correct Answer:
Another element
Note: This Question is unanswered, help us to find answer for this one
68. What is the name of the theory that explains the reaction resulting from the collision of two molecules in terms of an activated complex?
Answer
Correct Answer:
Transition-state theory
Note: This Question is unanswered, help us to find answer for this one
69. Which of the following is not a transition element?
Note: This Question is unanswered, help us to find answer for this one
70. Which elements are transition elements?
Answer
Correct Answer:
The d-block transition elements in which a d subshell is being filled.
Note: This Question is unanswered, help us to find answer for this one
71. Which column of elements in the periodic table are transition elements?
Note: This Question is unanswered, help us to find answer for this one
72. What are transition elements?
Answer
Correct Answer:
Elements in the B columns of the periodic table
Note: This Question is unanswered, help us to find answer for this one
73. What is the function of transfer RNA?
Answer
Correct Answer:
Carries amino acids to the ribosome
Note: This Question is unanswered, help us to find answer for this one
74. What does Titration determine?
Answer
Correct Answer:
The amount of substance A
Note: This Question is unanswered, help us to find answer for this one
75. What is the third law of thermodynamics?
Answer
Correct Answer:
A substance that is perfectly crystalline at 0 K has an entropy of zero
Note: This Question is unanswered, help us to find answer for this one
76. What is thermodynamics?
Answer
Correct Answer:
The study of the relationship between heat and other forms of energy involved in a chemical or physical process
Note: This Question is unanswered, help us to find answer for this one
77. What is the study of the relationship between heat and other forms of energy involved in a chemical or physical process?
Answer
Correct Answer:
Thermodynamics
Note: This Question is unanswered, help us to find answer for this one
78. Thermodynamic equilibrium constant (K) is the equilibrium constant in which the concentrations of gases are expressed in what?
Answer
Correct Answer:
Partial pressures in atmospheres
Note: This Question is unanswered, help us to find answer for this one
79. What is the study of the quantity of heat absorbed or evolved by chemical reactions called?
Answer
Correct Answer:
Thermochemistry
Note: This Question is unanswered, help us to find answer for this one
80. A thermochemical equation is...?
Answer
Correct Answer:
A chemical equation that includes the enthalpy of reaction
Note: This Question is unanswered, help us to find answer for this one
81. What is a state in which heat does not flow between a system and its surroundings because they are both at the same temperature?
Answer
Correct Answer:
Thermal equilibrium
Note: This Question is unanswered, help us to find answer for this one
82. What is a theory?
Answer
Correct Answer:
Tested explanation of basic natural phenomena
Note: This Question is unanswered, help us to find answer for this one
83. What is the maximum amount of product that can be obtained by a reaction from given amounts of reactants?
Answer
Correct Answer:
Theoretical yield
Note: This Question is unanswered, help us to find answer for this one
84. In tetrahedral geometry, how many atoms are bonded to the central atom?
Note: This Question is unanswered, help us to find answer for this one
85. What is the structure associated with the way the protein coil is folded?
Note: This Question is unanswered, help us to find answer for this one
86. Which of the following is a tertiary alcohol?
Answer
Correct Answer:
2-methyl-2-propanol
Note: This Question is unanswered, help us to find answer for this one
87. What is a termolecular reaction?
Answer
Correct Answer:
An elementary reaction that involves three reactant molecules
Note: This Question is unanswered, help us to find answer for this one
88. In a termolecular reaction, what is the minimum number of molecules required for the reaction to occur?
Note: This Question is unanswered, help us to find answer for this one
89. What is the definition of 'solvent'?
Answer
Correct Answer:
The component in a solution that is in greater amount
Note: This Question is unanswered, help us to find answer for this one
90. Which of the following is not a raw material used in the Solvay process?
Answer
Correct Answer:
Sodium chloride
Note: This Question is unanswered, help us to find answer for this one
91. What does the Solvay process produce?
Answer
Correct Answer:
Sodium carbonate
Note: This Question is unanswered, help us to find answer for this one
92. What is the solute in the case of a solution of a gas or solid dissolved in a liquid?
Answer
Correct Answer:
The gas or solid
Note: This Question is unanswered, help us to find answer for this one
93. Which of the following is true about active transport?
Answer
Correct Answer:
Requires energy
Note: This Question is unanswered, help us to find answer for this one
Safety Engineering MCQs | Topic-wise
