NTS GAT Subject (Chemistry) FLP 1 Free Quiz

NTS GAT Subject (Chemistry) – FLP 1

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NTS GAT Subject (Chemistry) – FLP 1 consists of 100 MCQs covering 1 subjects. You have 120 minutes to complete it. Start with the easier questions and manage your time wisely. Good luck!

Chemistry 100 MCQs

1. What does physical chemistry deal with?

A. Physical properties and changes of matter B. Carbon compounds C. Non-carbon compounds D. Analysis of substances

2. What law states that V/T is constant at constant pressure?

A. PV constant B. P/T constant C. V/T constant D. V/n constant

3. What is Avogadro's number?

A. 6.022 × 10²³ B. 6.022 × 10²² C. 6.022 × 10²⁴ D. 6.022 × 10²¹

4. What is the number of moles of solute per liter of solution?

A. Molality B. Molarity C. Normality D. Mole fraction

5. What is the number of moles of solute per kilogram of solvent?

A. Molality B. Molarity C. Normality D. Mole fraction

6. What is the number of gram equivalents of solute per liter of solution?

A. Molarity B. Molality C. Normality D. Mole fraction

7. What is a colligative property?

A. Boiling point elevation B. Vapor pressure lowering C. Freezing point depression D. Osmotic pressure

8. Which colligative property is proportional to molality?

A. Boiling point elevation B. Vapor pressure lowering C. Freezing point depression D. Osmotic pressure

9. What is the lowering of the freezing point of a solution called?

A. Boiling point elevation B. Vapor pressure lowering C. Freezing point depression D. Osmotic pressure

10. What accounts for the number of particles formed when a solute dissolves?

A. van't Hoff factor B. Activity coefficient C. Osmotic coefficient D. Molality

11. What law states that vapor pressure is proportional to the mole fraction of the solvent?

A. Henry's Law B. Dalton's Law C. Raoult's Law D. Graham's Law

12. What is the functional group of aldehydes and ketones?

A. Hydroxyl B. Carboxyl C. Amino D. Carbonyl

13. What is the functional group of carboxylic acids?

A. Hydroxyl B. Carboxyl C. Carbonyl D. Amino

14. What is a molecule that is not superimposable on its mirror image?

A. Achiral B. Meso C. Chiral D. Racemic

15. What reaction involves the removal of atoms to form a double bond?

A. Substitution B. Addition C. Elimination D. Rearrangement

16. What is the process of joining monomers to form polymers?

A. Addition B. Condensation C. Copolymerization D. Polymerization

17. What is the IUPAC name of CH4?

A. Ethane B. Methane C. Propane D. Butane

18. What is the IUPAC name of C2H6?

A. Ethane B. Methane C. Propane D. Butane

19. What aromatic hydrocarbon has the formula C6H6?

A. Cyclohexane B. Cyclohexene C. Benzene D. Hexane

20. What is a characteristic reaction of benzene?

A. Addition B. Elimination C. Substitution D. Electrophilic aromatic substitution

21. What reaction introduces an alkyl group onto an aromatic ring?

A. Acylation B. Alkylation C. Nitration D. Sulfonation

22. What is the introduction of a nitro group onto an aromatic ring?

A. Sulfonation B. Halogenation C. Nitration D. Alkylation

23. What does a carbonyl compound react with a Grignard reagent to form?

A. Alcohol B. Alkene C. Alkyne D. Ether

24. What organizes elements in the periodic table?

A. Mass B. Volume C. Atomic number D. Density

25. Where are the alkali metals located in the periodic table?

A. Group 2 B. Group 1 C. Group 17 D. Group 18

26. Where are the halogens located in the periodic table?

A. Group 17 B. Group 1 C. Group 2 D. Group 18

27. Where are the noble gases located in the periodic table?

A. Group 1 B. Group 2 C. Group 18 D. Group 17

28. What is a type of dipole-dipole interaction involving hydrogen?

A. Hydrogen bonding B. Covalent C. Ionic D. Metallic

29. What is the molecular geometry of water?

A. Linear B. Bent C. Tetrahedral D. Trigonal planar

30. What is the molecular geometry of CO2?

A. Linear B. Bent C. Tetrahedral D. Trigonal planar

31. What substances accept protons or produce OH- ions?

A. Bases B. Acids C. Salts D. Oxides

32. What does a strong acid do in water?

A. Weak B. Partial C. Reversible D. Completely dissociates

33. What process produces sulfuric acid?

A. Haber process B. Ostwald process C. Contact process D. Solvay process

34. What process is used to extract sulfur?

A. Frasch process B. Haber process C. Contact process D. Solvay process

35. What process is used to extract sodium?

A. Frasch process B. Haber process C. Down process D. Solvay process

36. What type of analysis measures the amount of substances?

A. Qualitative B. Volumetric C. Gravimetric D. Quantitative

37. What is the point when the amount of titrant is stoichiometrically equal to the analyte?

A. End point B. Inflection point C. Equivalence point D. Half-equivalence point

38. What is indicated by a color change or other signal?

A. Equivalence point B. Inflection point C. Half-equivalence point D. End point

39. What technique measures the amount of light absorbed by a substance?

A. Chromatography B. Titration C. Spectrophotometry D. Gravimetry

40. What chromatography separates volatile compounds?

A. TLC B. Paper chromatography C. Gas chromatography D. HPLC

41. What spectroscopy measures the emission of light after excitation?

A. Fluorescence B. Absorbance C. Emission D. Scattering

42. What does chemical thermodynamics study?

A. Energy changes in chemical reactions B. Reaction rates C. Electricity D. Spectra

43. What is the heat content of a system at constant pressure?

A. Enthalpy B. Internal energy C. Entropy D. Gibbs free energy

44. What is a measure of disorder or randomness?

A. Enthalpy B. Internal energy C. Entropy D. Gibbs free energy

45. What does a negative ΔG indicate?

A. Positive B. Negative C. Zero D. Undefined

46. What does a positive ΔG indicate?

A. Positive B. Negative C. Zero D. Undefined

47. What law states that enthalpy change is independent of the pathway?

A. First Law B. Second Law C. Hess's Law D. Third Law

48. What is the enthalpy change when one mole of a substance is burned?

A. Formation B. Combustion C. Neutralization D. Solution

49. What is the enthalpy change when a solute dissolves?

A. Formation B. Combustion C. Solution D. Neutralization

50. What cycle is used to calculate lattice enthalpy?

A. Haber process B. Contact process C. Born-Haber cycle D. Solvay process

51. What happens to entropy when the number of moles of gas increases?

A. Decreases B. Stays the same C. Fluctuates D. Increases

52. What is the change in Gibbs free energy when one mole of a compound is formed from its elements?

A. Enthalpy B. Entropy C. Gibbs free energy D. Internal energy

53. What is a proportionality constant in the rate law?

A. Rate B. Order C. Rate constant D. Activation energy

54. What is the Arrhenius equation?

A. k = A e^(Ea/RT) B. k = A T e^(-Ea/RT) C. k = A e^(-Ea/T) D. k = A e^(-Ea/RT)

55. What increases the reaction rate by providing an alternative pathway?

A. Reactant B. Product C. Catalyst D. Inhibitor

56. What order reaction has a rate proportional to the concentration of one reactant?

A. First-order B. Zero-order C. Second-order D. Third-order

57. Is the half-life of a first-order reaction dependent on initial concentration?

A. Dependent B. Independent C. Proportional D. Inversely proportional

58. What is the integrated rate law for a first-order reaction?

A. 1/[A] = kt + 1/[A]0 B. [A] = -kt + [A]0 C. ln[A] = -kt + ln[A]0 D. ln[A] = kt + ln[A]0

59. What is the integrated rate law for a zero-order reaction?

A. ln[A] = -kt + ln[A]0 B. [A] = -kt + [A]0 C. 1/[A] = kt + 1/[A]0 D. [A] = kt + [A]0

60. What theory describes the formation of an activated complex?

A. Transition state theory B. Collision theory C. Arrhenius theory D. Eyring theory

61. What theory states that reactions occur when molecules collide with sufficient energy?

A. Transition state B. Arrhenius C. Collision theory D. Eyring

62. What are biological catalysts?

A. Inhibitors B. Enzymes C. Substrates D. Products

63. What is a measure of enzyme affinity for its substrate?

A. Vmax B. kcat C. Km D. Turnover number

64. What type of inhibition occurs when an inhibitor binds to the active site?

A. Non-competitive B. Competitive C. Uncompetitive D. Irreversible

65. What does electrochemistry deal with?

A. Electricity and chemical reactions B. Energy changes C. Reaction rates D. Spectra

66. What is the electrode where reduction occurs?

A. Anode B. Salt bridge C. Cathode D. Electrolyte

67. What completes the circuit and maintains electrical neutrality?

A. Salt bridge B. Electrolyte C. Electrode D. External circuit

68. What is the cell potential?

A. E°cathode - E°anode B. E°cathode + E°anode C. E°cathode × E°anode D. E°cathode / E°anode

69. What does a positive E°cell indicate?

A. Negative B. Zero C. Positive D. Undefined

70. What laws relate the amount of substance deposited to electricity?

A. Ohm's laws B. Faraday's laws C. Kirchhoff's laws D. Newton's laws

71. What is a type of corrosion?

A. Rusting B. Tarnishing C. Pitting D. Galvanic corrosion

72. What is the coating of iron with zinc to prevent corrosion?

A. Anodic protection B. Cathodic protection C. Passivation D. Galvanization

73. What ranks elements by their standard electrode potentials?

A. Electrochemical series B. Activity series C. Periodic table D. Reactivity series

74. What ranks metals by their reactivity?

A. Electrochemical series B. Periodic table C. Activity series D. Reactivity series

75. What does coordination chemistry study?

A. Coordination compounds with metal ions and ligands B. Carbon compounds C. Non-carbon compounds D. Analysis

76. What contains a central metal atom surrounded by ligands?

A. Salt B. Acid C. Base D. Coordination compound

77. What is the number of donor atoms attached to the central metal ion?

A. Oxidation state B. Coordination number C. Charge D. Geometry

78. What ligands bind through multiple donor atoms?

A. Monodentate B. Polydentate C. Bidentate D. Chelates

79. What theory described the structure of coordination compounds?

A. VSEPR B. MO C. Werner's theory D. VB

80. What is the primary valence?

A. Coordination number B. Charge C. Geometry D. Oxidation state

81. What complex has fewer unpaired electrons?

A. High-spin B. Intermediate C. Low-spin D. No-spin

82. What type of isomerism in octahedral complexes includes cis and trans?

A. Optical B. Structural C. Ionization D. Geometrical

83. What type of isomerism results in enantiomers?

A. Geometrical B. Optical C. Structural D. Ionization

84. What is the formation of polymers with metal ions in the backbone?

A. Addition B. Coordination C. Condensation D. Ring-opening

85. What does spectroscopy study?

A. Interaction between matter and electromagnetic radiation B. Separation C. Volumetric D. Mass

86. What includes visible light, ultraviolet, infrared, and radio waves?

A. Sound waves B. Mechanical waves C. Electromagnetic waves D. Gravitational waves

87. What law measures absorbance in spectroscopy?

A. A = εc B. A = bc C. A = εbc D. A = εb

88. What is the delayed emission of light after excitation?

A. Phosphorescence B. Fluorescence C. Scattering D. Transmission

89. What spectroscopy measures inelastic scattering of light?

A. IR B. NMR C. Raman D. UV

90. What spectroscopy measures the absorption of light by free atoms?

A. NMR B. IR C. UV D. AAS

91. What technique is used to determine crystal structure?

A. XRD B. XRF C. XAS D. XPS

92. What spectroscopy measures electrons emitted after X-ray excitation?

A. XPS B. AES C. XRD D. XRF

93. What is the function group region in IR spectroscopy?

A. 400-1500 cm^-1 B. 1500-3000 cm^-1 C. 1500-4000 cm^-1 D. 3000-4000 cm^-1

94. What is the contamination of water bodies by harmful substances?

A. Air pollution B. Water pollution C. Soil pollution D. Noise pollution

95. What gases trap heat in the atmosphere?

A. Oxygen B. Nitrogen C. Greenhouse gases D. Noble gases

96. What is another significant greenhouse gas?

A. CO2 B. CH4 C. NO2 D. SO2

97. What protects the Earth from harmful UV radiation?

A. Ozone layer B. Troposphere C. Stratosphere D. Mesosphere

98. What is the movement of carbon through the environment?

A. Carbon cycle B. Nitrogen cycle C. Water cycle D. Oxygen cycle

99. What is the movement of oxygen through the environment?

A. Carbon cycle B. Oxygen cycle C. Nitrogen cycle D. Water cycle

100. What is the design of chemical products and processes that reduce environmental impact?

A. Environmental chemistry B. Analytical chemistry C. Green chemistry D. Physical chemistry

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