PACOP GREEN - Inorganic Chemistry

D

1. Ammoniated mercury is also known as:

a. calomel

b. corrosive sublimate

c. lunar caustic

d. white precipitate

C

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

3. Antacids that cause "rebound" hyperacidity are:

a. Mg(OH)2 & Al(OH)2

b. Na2CO3

c. Na2S2O3 & MgSO4

d. NaHCO3 & CaCO3

A

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

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

6. An orange-red sulfide insoluble in NH3 but soluble in excess (NH4)2S:

a. CdS

b. Sb2S3

c. HgS

d. MnS

B

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

8. A mixture composed chiefly of potassium polysulfide and potassium thiosulfate:

a. sulfur lac

b. sulfurated potash

c. sublimed sulfur

d. washed sulfur

C

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

10. These elements form basic anhydrides except one:

a. S

b. Na

c. Mg

d. Ca

E

11. Simethicone-containing antacids contain simethicone as:

a. antacid

b. antiflatulent

c. antifoaming agent

d. protective

e. B and C

A

12. This element is used as a glucose tolerance factor:

a. Cr

b. Si

c. Mg

d. Mn

C

13. The first element produced artificially is:

a. Rn

b. Ta

c. Tc

d. Pt

A

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

15. Acids have the following properties except:

a. sour taste

b. donor of protons

c. neutralize bases

d. pH above 7

B

16. Drug of choice to combat systemic acidosis:

a. KHCO3

b. NaHCO3

c. Na2CO3

d. K2CO3

B

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

18. Both iron and copper are found in which respiratory enzyme:

a. trisinase

b. cytochrome oxidase

c. peroxide

d. oxidase

D

19. Plaster of Paris is chemically:

a. CaO

b. CaSO4

c. CaSO4.1 1/2H2O

d. CaSO4.2 H2O

e. (CaSO4)2 H2O

E

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

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

22. The major side effect from the use of barium sulfate suspension as radiopaque is:

a. diarrhea

b. constipation

c. vomiting

d. dizziness

C

23. The alum silicate which is antidiarrheal:

a. pumice

b. bentonite

c. kaolin

d. attapulgite

e. calamine

C

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

25. Substance added to glass to improve its coefficient of expansion:

a. MnO2

b. B

c. K

d. Pb

D

26. Which vitamin enhance the physiological utilization of Ca in the body?

a. Vitamin B12

b. Vitamin A

c. Vitamin C

d. Vitamin D

e. Vitamin E

B

27. A thyroid disorder known as goiter is caused by the lack of:

a. calcium

b. iodine

c. sodium

d. potassium

A

28. Salts of these alkaline metals are used as sedative depressant in psychiatry:

a. lithium

b. iridium

c. potassium

d. calcium

C

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

30. Besides activated charcoal and tannic acid, the other component of universal antidote is:

a. MgO d. MgCl2

b. MgCO3 e. Mg(OH)2

c. Mg3(PO4)2

B

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

32. This element is present in insulin:

a. Cu d. Zn

b. Fe e. Co

c. Mg

D

33. Oxygen and ozone are:

a. isotopes b. isobars

c. polymorphs d. allotropes

C

34. Softest mineral known:

a. calamine d. bentonite

b. kaolin e. silica

c. talc

A

35. A 10 volume hydrogen peroxide is equivalent to ______% H2O2:

a. 3% b. 9%

c. 20% d. 30%

B

36. Mineral chameleon is the synonym of the powerful oxidizing agent:

a. NaI b. KMnO4

c. MnO2 d. KNO3

B

37. This ion is used very effectively as astringent, protective and antiperspirant:

a. Mg b. Al

c. Zn d. Cu

C

38. Strong iodine solution contains KI for the purpose of:

a. preservation b. reducing agent

c. preventing precipitation d. none of the above

D

39. Prepared chalk or precipitated chalk is chemically known as:

a. MgCO3 b. Na2CO3

c. Ca3(PO4)2 d. CaCO3

B

40. Rochelle salt which is used as a cathartic and also as sequestering agent is:

a. KHC4H4O6 b. NaKC4H4O6

c. KSbOC4H4O6 d. Na2C4H4O6

C

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

42. Blue vitriol, an effective astringent and emetic is chemically:

a. FeSO4-7H2O b. CaCl2

c. CU(C2H3O2)2 d. CuSO4 5H2O

B

43. All of the following ions are present in the intracellular fluids except:

a. K+ b. Na+

c. Mg 2+ d. HPO4-3

C

44. Bordeaux mixture used as fungicide contains:

a. selenium sulfide b. magnesium sulfate

c. cupric sulfate d. silver nitrate

A

45. Calomel is:

a. HgCl b. HgCl2

c. stannous fluoride d. ZnCl

D

46. Amalgams are alloys of:

a. iron b. zinc

c. copper d. mercury

D

47. The most electronegative element in the periodic table is:

a. sulfur b. oxygen

c. chlorine d. fluorine

C

48. White vitriol is referred to:

a. CuSO4-5H2O b. FeSO4-7H2O

c. ZnSO4-7H2O d. H2SO4

D

49. Saltpeter, a meat preservative is the synonym for:

a. KNO2 b. NaNO3

c. NaNO2 d. KNO3

A

50. Most abundant and essential of all elements:

a. oxygen b. silicon

c. hydrogen d. nitrogen

B

51. The following are aluminum salts except:

a. alum b. borax

c. kaolin d. pumice

D

52. Electrolyte replenisher in dehydration:

a. sodium iodide

b. potassium iodide

c. sodium bromide

d. sodium chloride

e. sodium sulfate

A

53. Cream of tartar is:

a. potassium bitartrate b. sodium bitartrate

c. KCl d. sodium carbonate

C

54. Employed topically as astringent and protectant in ointment:

a. HgS b. CdO

c. ZnO d. HgO

D

55. A substance which takes up water or moisture but does not dissolve is:

a. dehydrating agent b. deliquescent

c. efflorescent d. hygroscopic

D

56. Ammonia is used as:

a. anesthetic b. expectorant

c. respiratory depressant d. respiratory stimulant

C

57. To kill microorganism in inanimate objects we simply used:

a. antiseptic b. corrosive

c. disinfectant d. sterilization

A

58. Laughing gas is a:

a. general anesthetic b. caustic

c. disinfectant d. local anesthetic

C

59. Increases osmotic load of the GIT:

a. bulk-forming laxative b. emollient laxative

c. saline cathartic d. stimulant laxative

C

60. Inert gas with anesthetic properties:

a. argon b. helium

c. krypton d. neon

A

61. The ion that gives a Turnbulls' blue precipitate with potassium ferricyanide:

a. ferrous b. ferric

c. cobalt d. nickel

B

62. It forms white precipitate with HCl but blackens upon addition of ammonium hydroxide:

a. cupric b. mercurous

c. plumbous d. silver

D

63. The ion that gives a purple solution with sodium bismuthate:

a. cobalt b. ferrous

c. ferric d. manganese

A

64. Which of the following is a native of hydrous magnesium silicate:

a. talc b. pumice

c. kaolin d. bentonite

A

65. The ion that gives a Prussian blue precipitate with potassium ferrocyanide:

a. ferric b. ferrous

c. cobalt d. nickel

B

66. The mechanism of action in the use of carbon as anti-diarrheal is:

a. absorption b. adsorption

c. precipitation d. oxidation

A

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

68. Some of the uses of astringent are:

a. anti-perspirant b. caustic

c. styptic d. all of these

D

69. Best radiopharmaceutical agent for bone imaging:

a. Tc99m IDA b. Tc99m albumin colloid

c. Tc99m Ferpentate d. Tc99m etidronate

C

70. All of the following are mechanisms of anti-microbial action, except:

a. oxidation b. halogenation

c. hydrolysis d. precipitation

A

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

72. The ion that gives positive result to Rinman's Green Test:

a. aluminum b. chromium

c. manganese d. zinc

C

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 c. Law of Mass Action

b. Law of Definite Proportion d. Le Chatelier's Principle

B

74. An agent that loses one or more electrons in a redox reaction:

a. oxidizing agent b. reducing agent

c. catalyst d. inhibitor

C

75. Nickel ion in solution is colored:

a. colorless b. blue

c. green d. yellow

A

76. Describes a process or reaction that absorbs heat:

a. endothermic b. exothermic

c. miscible d. immiscible

B

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

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

79. The ion that gives positive result to Thenard's Blue Test:

a. aluminum b. chromium

c. manganese d. zinc

B

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

81. The following can cause a shift of equilibrium except:

a. catalyst b. concentration

c. pressure d. temperature

A

82. They are called the "soluble group":

a. alkali metals b. alkaline earth metals

c. aluminum-iron group d. silver group

A

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

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

85. It shows a similar properties to that of sodium and potassium:

a. ammonium b. barium

c. calcium d. magnesium

A

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

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

88. Blood red colorization with CNS but a blue precipitate with hexacyanoferrate(II):

a. ferric b. calcium

c. magnesium d. cobalt

A

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

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

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

92. Radiopharmaceutical agent for thyroid function

a. sodium iodide 1-131 b. Tc-99m-Entidronate

c. Tc-99m-Phytate d. Tc-99

A

93. Substance that shows strong conductivity property and a high degree of ionization:

a. Strong electrolyte b. Non-electrolyte

c. weak electrolyte d. buffer

C

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

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

96. An acid which is a proton donor yield a:

a. base b. salt

c. conjugate base d. conjugate acid

A

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

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

99. The following are oxidizing agents, except:

a. K2Cr2O7 b. Na2C2O4

c. I2 d. KMnO4

D

100. The sum of the number of protons and neutrons of an atom:

a. atomic weight b. isotopes

c. atomic number d. mass number