[Manor] Inorganic Chemistry - Practice Questions

Proverbs 16:3

D) white precipitate

1. Ammoniated mercury is also known as:
   a) calomel
   b) corrosive sublimate
   c) lunar caustic
   d) white precipitate

C) gamma

2. The rays which have no mass and no charge but of very high energy and excellent penetrating power:
   a) alpha
   b) beta
   c) gamma
   d) x-ray

D) NaHCO₃(sodium bicarbonate) and CaCO₃ (calcium carbonate).

3. Antacids that cause "rebound" hyperacidity are:
   a) Mg(OH)2 & Al(OH)2
   b) Na2CO3
   c) Na2S2O3 & MgSO4
   d) NaHCO3 & CaCO3

A) acetate

4. Evolves a gas with a fruity odor when treated with concentrated sulfuric acid and ethanol:
   a) acetate
   b) chlorate
   c) sulfate
   d) silicate

A) Sorensen phosphate buffer

5. A buffer system that has been modified to include NaCl to make it isotonic with physiologic fluid:
   a) Sorensen phosphate buffer
   b) Gifford's buffer
   c) Feldman's buffer
   d) Atkin & Pentin buffer

B) Sb₂S₃ (antimony trisulfide)

6. An orange-red sulfide insoluble in NH3 but soluble in excess (NH4)2S:
   a) CdS
   b) Sb2S3
   c) HgS
   d) MnS

B) 20% oxygen & 80% helium

7. "Artificial Air" is used therapeutically to alleviate difficult respiration and contains:
   a) 60% oxygen & 40% helium
   b) 20% oxygen & 80% helium
   c) 20% helium & 80% oxygen
   d) 40% helium & 60% oxygen

B) sulfurated potash

8. A mixture composed chiefly of potassium polysulfide and potassium thiosulfate:
   a) sulfur lac
   b) sulfurated potash
   c) sublimed sulfur
   d) washed sulfur

C) ionization potential

9. The energy required to remove an electron from a neutral atom is:
   a) electron affinity
   b) kinetic energy
   c) ionization potential
   d) electrical energy

A) S

10. These elements form basic anhydrides except one:
    a) S
    b) Na
    c) Mg
    d) Ca

B/C) antiflatulent / antifoaming agent

11. Simethicone-containing antacids contain simethicone as:
    a) antacid
    b) antiflatulent
    c) antifoaming agent
    d) protective

A) Cr (chromium)

12. This element is used as a glucose tolerance factor:
    a) Cr
    b) Si
    c) Mg
    d) Mn

C) Technetium (Tc)

13. The first element produced artificially is:
    a) Rn
    b) Ta
    c) Tc
    d) Pt

A) it does not dissociate in the GIT

14. The reason why BaSO4 can be used or taken internally without causing any toxicity is that:
    a) it does not dissociate in the GIT
    b) it is soluble in the GIT
    c) the GI fluids can neutralize it
    d) it does not reach the GIT since it is a powerful emetic

D) pH above 7

15. Acids have the following properties except:
    a) sour taste
    b) donor of protons
    c) neutralize bases
    d) pH above 7

B) Sodium bicarbonate (NaHCO3)

16. Drug of choice to combat systemic acidosis:
    a) KHCO3
    b) NaHCO3
    c) Na2CO3
    d) K2CO3

B) Aluminum (Al)

17. This metal, in the form of thin foil, is used as a protective for burn treatment due to its property of conserving fluids and of stimulating tissue growth:
    a) Sn
    b) Al
    c) Zn
    d) Pd

B) cytochrome oxidase

18. Both iron and copper are found in which respiratory enzyme:
    a) trisinase
    b) cytochrome oxidase
    c) peroxide
    d) oxidase

C) Calcium Sulfate Hemihydrate (CaSO4.1½H2O)

19. Plaster of Paris is chemically:
    a) CaO
    b) CaSO4
    c) CaSO4.1½H2O
    d) CaSO4.2H2O
    e) (CaSO4)2H2O

E) all of the above

20. The gas considered officially as pharmaceutical inhalant:
    a) oxygen
    b) nitrous oxide
    c) carbon dioxide
    d) a & b only
    e) all of the above

D) halogens

21. Also known as salt-forming group of elements are the:
    a) alkali metals
    b) alkaline earth metals
    c) chalcogen
    d) halogens
    e) coinage metals

B) constipation

22. The major side effect from the use of barium sulfate suspension as radiopaque is:
    a) diarrhea
    b) constipation
    c) vomiting
    d) dizziness

C) kaolin

23. The alum silicate which is antidiarrheal:
    a) pumice
    b) bentonite
    c) kaolin
    d) attapulgite
    e) calamine

C) Copper (II) sulfate (CuSO₄)

24. Fehling's & Benedict's reagent, used to determine the presence of reducing sugars contain which salt:
    a) CaSO4
    b) NiSO4
    c) CuSO4
    d) MgSO4
    e) SrSO4

B) Boron (B)

25. Substance added to glass to improve its coefficient of expansion:
    a) MnO2
    b) B
    c) K
    d) Pb

D) Vitamin D

26. Which vitamin enhance the physiological utilization of Ca in the body?
    a) Vitamin B12
    b) Vitamin C
    c) Vitamin C
    d) Vitamin D
    e) Vitamin E

B) iodine

27. A thyroid disorder known as goiter is caused by the lack of:
    a) calcium
    b) iodine
    c) sodium
    d) potassium

A) lithium

28. Salts of these alkaline metals are used as sedative depressant in psychiatry:
    a) lithium
    b) iridium
    c) potassium
    d) calcium

C) Iron (Fe)

29. The element present in hemoglobin of the blood which plays an important role in red blood cell-oxygen transport is:
    a) Ca
    b) Mg
    c) Fe
    d) P

A) Magnesium oxide (MgO)

30. Besides activated charcoal and tannic acid, the other component of universal antidote is:
    a) MgO
    b) MgCO3
    c) Mg3(PO4)2
    d) MgCl2
    e) Mg(OH)2

B) Calcium (Ca)

31. In the form of its salt, this ion is essential to life being the structural basis of skeleton, an important factor in blood coagulation:
    a) Mg
    b) Ca
    c) Zn
    d) PO4

D) Zinc (Zn)

32. This element is present in insulin:
    a) Cu
    b) Fe
    c) Mg
    d) Zn
    e) Co

D) allotropes

📌NOTE: Allotropes are different structural forms of the same element in the same physical state. Oxygen (O₂) and ozone (O₃) are both elemental forms of oxygen, but they differ in molecular structure (diatomic vs triatomic).

33. Oxygen and ozone are:
    a) isotopes
    b) isobars
    c) polymorphs
    d) allotropes

C) talc

34. Softest mineral known:
    a) calamine
    b) kaolin
    c) talc
    d) bentonite
    e) silica

A) 3%

35. A 10 volume hydrogen peroxide is equivalent to ______% H2O2:
    a) 3%
    b) 9%
    c) 20%
    d) 30%

B) Potassium permanganate (KMnO₄)

36. Mineral chameleon is the synonym of the powerful oxidizing agent:
    a) NaI
    b) KMnO4
    c) MnO2
    d) KNO3

B) Aluminum (Al)

37. This ion is used very effectively as astringent, protective and antiperspirant:
    a) Mg
    b) Al
    c) Zn
    d) Cu

C) preventing precipitation

38. Strong iodine solution contains KI for the purpose of:
    a) preservation
    b) reducing agent
    c) preventing precipitation
    d) none of the above

D) Calcium carbonate (CaCO₃)

39. Prepared chalk or precipitated chalk is chemically known as:
    a) MgCO3
    b) Na2CO3
    c) Ca3(PO4)2
    d) CaCO3

B) Potassium sodium tartrate (NaKC4H4O6)

40. Rochelle salt which is used as a cathartic and also as sequestering agent is:
    a) KHC4H4O6
    b) NaKC4H4O6
    c) KSbOC4H4O6
    d) Na2C4H4O6

C) tantalum

41. A metal which is unaffected by body fluids and attaches itself to bones, is now used in surgical repairs of bones, nerves and muscles:
    a) aluminum
    b) iron
    c) tantalum
    d) tin

D) Copper (II) sulfate pentahydrate (CuSO4·5H2O)

42. Blue vitriol, an effective astringent and emetic is chemically:
    a) FeSO4·7H2O
    b) CaCl2
    c) Cu(C2H3O2)2
    d) CuSO4·5H2O

B) Na+

43. All of the following ions are present in the intracellular fluids except:
    a) K+
    b) Na+
    c) Mg2+
    d) HPO4^3-

C) cupric sulfate

44. Bordeaux mixture used as fungicide contains:
    a) selenium sulfide
    b) magnesium sulfate
    c) cupric sulfate
    d) silver nitrate

A) Mercurous chloride (HgCl)

45. Calomel is:
    a) HgCl
    b) HgCl2
    c) stannous fluoride
    d) ZnCl

D) mercury

46. Amalgams are alloys of:
    a) iron
    b) zinc
    c) copper
    d) mercury

D) fluorine

47. The most electronegative element in the periodic table is:
    a) sulfur
    b) oxygen
    c) chlorine
    d) fluorine

C) Zinc sulfate heptahydrate (ZnSO4·7H2O)

48. White vitriol is referred to:
    a) CuSO4·5H2O
    b) FeSO4·7H2O
    c) ZnSO4·7H2O
    d) H2SO4

D) Potassium nitrate (KNO3)

49. Saltpeter, a meat preservative is the synonym for:
    a) KNO2
    b) NaNO3
    c) NaNO2
    d) KNO3

A) oxygen

50. Most abundant and essential of all elements:
    a) oxygen
    b) silicon
    c) hydrogen
    d) nitrogen

B) borax

51. The following are aluminum salts except:
    a) alum
    b) borax
    c) kaolin
    d) pumice

D) sodium chloride

52. Electrolyte replenisher in dehydration:
    a) sodium iodide
    b) potassium iodide
    c) sodium bromide
    d) sodium chloride
    e) sodium sulfate

A) potassium bitartrate

53. Cream of tartar is:
    a) potassium bitartrate
    b) sodium bitartrate
    c) KCl
    d) sodium carbonate

C) ZnO

54. Employed topically as astringent and protectant in ointment:
    a) HgS
    b) CdO
    c) ZnO
    d) HgO

D) hygroscopic

55. A substance which takes up water or moisture but does not dissolve is:
    a) dehydrating agent
    b) deliquescent
    c) efflorescent
    d) hygroscopic

D) respiratory stimulant

56. Ammonia is used as:
    a) anesthetic
    b) expectorant
    c) respiratory depressant
    d) respiratory stimulant

C) disinfectant

57. To kill microorganism in inanimate objects we simply used:
    a) antiseptic
    b) corrosive
    c) disinfectant
    d) sterilization

A) general anesthetic

58. Laughing gas is a:
    a) general anesthetic
    b) caustic
    c) disinfectant
    d) local anesthetic

C) saline cathartic

59. Increases osmotic load of the GIT:
    a) bulk-forming laxative
    b) emollient laxative
    c) saline cathartic
    d) stimulant laxative

C) krypton

60. Inert gas with anesthetic properties:
    a) argon
    b) helium
    c) krypton
    d) neon

A) ferrous

61. The ion that gives a Turnbulls' blue precipitate with potassium ferricyanide:
    a) ferrous
    b) ferric
    c) cobalt
    d) nickel

B) mercurous

62. It forms white precipitate with HCl but blackens upon addition of ammonium hydroxide:
    a) cupric
    b) mercurous
    c) plumbous
    d) silver

D) manganese

63. The ion that gives a purple solution with sodium bismuthate:
    a) cobalt
    b) ferrous
    c) ferric
    d) manganese

A) talc

64. Which of the following is a native of hydrous magnesium silicate:
    a) talc
    b) pumice
    c) kaolin
    d) bentonite

A) ferric

65. The ion that gives a Prussian blue precipitate with potassium ferrocyanide:
    a) ferric
    b) ferrous
    c) cobalt
    d) nickel

B) adsorption

66. The mechanism of action in the use of carbon as anti-diarrheal is:
    a) absorption
    b) adsorption
    c) precipitation
    d) oxidation

A) diluent

67. Physiologically inert substances added to the main component of the tablet so it will be convenient to swallow are termed as:
    a) diluent
    b) lubricant
    c) surfactants
    d) thickening agent

D) all of these

68. Some of the uses of astringent are:
    a) anti-perspirant
    b) caustic
    c) styptic
    d) all of these

D) Tc99m etidronate

69. Best radiopharmaceutical agent for bone imaging:
    a) Tc99m IDA
    b) Tc99m albumin colloid
    c) Tc99m Ferpentate
    d) Tc99m etidronate

C) hydrolysis

70. All of the following are mechanisms of anti-microbial action, except:
    a) oxidation
    b) halogenation
    c) hydrolysis
    d) precipitation

A) silver

71. The ion that gives a white precipitate with HCl which is soluble in excess ammonium hydroxide but reprecipitated upon addition of nitric acid:
    a) silver
    b) plumbous
    c) mercurous
    d) cupric

D) zinc

72. The ion that gives positive result to Rinman's Green Test:
    a) aluminum
    b) chromium
    c) manganese
    d) zinc

C) Law of Mass Action

73. According to this law, the rate of the reaction is proportional to the product of the concentrate of the reactants to the power of its coefficient in a balanced equation:
    a) Law of Conservation of Mass
    b) Law of Definite Proportion
    c) Law of Mass Action
    d) Le Chatelier's Principle

B) reducing agent

74. An agent that loses one or more electrons in a redox reaction:
    a) oxidizing agent
    b) reducing agent
    c) catalyst
    d) inhibitor

C) green

75. Nickel ion in solution is colored:
    a) colorless
    b) blue
    c) green
    d) yellow

A) endothermic

76. Describes a process or reaction that absorbs heat:
    a) endothermic
    b) exothermic
    c) miscible
    d) immiscible

B) aluminum salt of aurintricarboxylic acid

77. Aluminum reagent is chemically known as:
    a) aluminum salt of carboxylic acid
    b) aluminum salt of aurintricarboxylic acid
    c) aluminum salt of tricarboxylic acid
    d) none of the above

B) cupric

78. The ion that produces an intense blue colored solution with an excess ammonia and a reddish brown precipitate with potassium ferrocyanide:
    a) cuprous
    b) cupric
    c) cadmium
    d) zinc

A) aluminum

79. The ion that gives positive result to Thenard's Blue Test:
    a) aluminum
    b) chromium
    c) manganese
    d) zinc

B) mercuric

80. The ion that gives a yellow precipitate with NaOH and scarlet red precipitate with an excess KI:
    a) mercurous
    b) mercuric
    c) plumbous
    d) bismuth

A) catalyst

81. The following can cause a shift of equilibrium except:
    a) catalyst
    b) concentration
    c) pressure
    d) temperature

A) alkali metals

82. They are called the "soluble group":
    a) alkali metals
    b) alkaline earth metals
    c) aluminum-iron group
    d) silver group

A) insoluble chloride group

83. In the cation analysis, group I ions are often called:
    a) insoluble chloride group
    b) soluble chloride group
    c) soluble sulfide group
    d) insoluble sulfide group

B) centrifuge

84. In semi-micro procedures, the process of filtration is replaced by the use of:
    a) vacuum
    b) centrifuge
    c) buchner funnel
    d) all of the above

A) ammonium

85. It shows a similar properties to that of sodium and potassium:
    a) ammonium
    b) barium
    c) calcium
    d) magnesium

A) chemical equilibrium

86. A state in which the rate of forward and reverse reactions are the same:
    a) chemical equilibrium
    b) equilibrium
    c) bond length
    d) bond order

B) Le Chatelier's Principle

87. A rule that states that when a stress is applied to a system in equilibrium, the equilibrium shifts to relieve the stress:
    a) Law of Mass Action
    b) Le Chatelier's Principle
    c) Law of Conservation of mass
    d) Law of Definite Proportion

A) ferric

88. Blood red colorization with CNS but a blue precipitate with hexacyanoferrate(II):
    a) ferric
    b) calcium
    c) magnesium
    d) cobalt

A) pH

89. A measure of a solution's acid strength, the negative common log of the [H3O+]:
    a) pH
    b) pOH
    c) Ka
    d) Kb

A) Cr-51

90. The isotope used in the determination of the volume of red blood cells and total blood volume:
    a) Cr-51
    b) Co-58
    c) Fe-59
    d) Ra-226

A) Al(OH)3

91. The amphoteric property of this compound prevents systemic alkalosis:
    a) Al(OH)3
    b) Ca(OH)2
    c) Mg(OH)2
    d) Pb(OH)2

A) sodium iodide I-131

92. Radiopharmaceutical agent for thyroid function
    a) sodium iodide I-131
    b) Tc-99m-Etidronate
    c) Tc-99m-Phytate
    d) Tc-99

A) Strong electrolyte

93. Substance that shows strong conductivity property and a high degree of ionization:
    a) Strong electrolyte
    b) Non-electrolyte
    c) weak electrolyte
    d) buffer

D) redistributed

94. The chemical properties of the elements depend upon the extent to which their electrons are:
    a) replaced
    b) completed
    c) lost
    d) redistributed

B) Magnetic quantum number

95. It gives the spatial orientation of the electron cloud with respect to the three areas in space:
    a) Spin quantum number
    b) Magnetic quantum number
    c) Principal quantum number
    d) Azimuthal

C) conjugate base

96. An acid which is a proton donor yield a:
    a) base
    b) salt
    c) conjugate base
    d) conjugate acid

A) deliquescent

97. Substances that absorb moisture from the atmosphere and dissolve in it is said to be:
    a) deliquescent
    b) efflorescent
    c) hydrolysis
    d) none of the above

B) carbon monoxide

98. This compound when mixed with the hemoglobin of the blood, results in asphyxial death:
    a) carbon dioxide
    b) carbon monoxide
    c) nitrogen oxide
    d) sulfur dioxide

B) Na2C2O4

99. The following are oxidizing agents, except:
    a) K2Cr2O7
    b) Na2C2O4
    c) I2
    d) KMnO4

D) mass number

100. The sum of the number of protons and neutrons of an atom:
     a) atomic weight
     b) isotopes
     c) atomic number
     d) mass number