Download экзаменационные тесты по органической химии

С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
" Confirmed "
Vice-rector for educational work
________________K.A.Tulebaeb
EXAMINATION TESTS
on the Chemistry
for foreigners
on 2014-2015 academic year
Page 1 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
1. Which of the following is an example of a physical change?
a. Ice forming after water is placed in a freezer.
b. A certain liquid is added to a solid, and bubbles of gas form.
c. Adding baking powder to vinegar.
d. A bicycle rusting in the rain.
2. Which of the following changes is a chemical change?
a. Water is boiled.
b. Wood is burned.
c. Aluminum foil is crumpled.
d. Glass is shattered.
3. This is the formula for vinegar CH3CO2H. What are all of the elements found in the formula for
vinegar?
a. Hydrogen and Oxygen
b. Carbon, Hydrogen, and Oxygen
c. Carbon and Oxygen
d. Chrome, Cobalt, and Hydrogen
4. Name the three states of matter
a. protons, neutrons, and electrons
b. metals, non-metals, and metalloids
c. solid, liquid, and gas
d. freezing, melting, and evaporation
5. A substance consisting of two elements chemically combined is known as
a. mixture
b. solution
c. element
d. compound
6. A positive charge particle found in the nucleus is called
a. neutron
b. proton
c. electron
d. atom
7. A change from liquid to solid is called
a. melting
b. boiling
c. freezing
d. condensation
8. A change from liquid to gas is known as
a. condensation
b. melting
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С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
c. sublimation
d. evaporation
9. A change from gas to liquid is called
a. sublimation
b. evaporation
c. freezing
d. condensation
10. A mixture of sand and iron particles can be separated by
a. distillation
b. magnetism
c. decantation
d. filtration
11. Water is an example of
a. compound
b. element
c. atom
d. mixture
12. One molecule of water is composed of
a. two atoms of oxygen and one atom of hydrogen
b. one atom of oxygen and two atoms of hydrogen
c. two atoms of oxygen and two atoms of hydrogen
d. one atom of oxygen and one atoms of hydrogen
13. The symbol of magnesium is
a. Mn
b. M
c. Mo
d. Mg
14. The symbol of copper is
a. Co
b. Cu
c. C
d. Cp
15. What is the name of the element with symbol Sr
a. sodium
b. silicon
c. scandium
d. strontium
Page 3 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
16. An example of alkali metal is
a. K
b. Ca
c. P
d. Cl
e. Au
17. An example of a noble gas is
a. N
b. Na
c. Ne
d. No
18. An example of a hallogen is
a. Ca
b. Co
c. Br
d. S
19. How many valence electron are present in an oxygen atom
a. 4
b. 5
c. 6
d. 7
e. 8
20. Which of the following pair belong in the same group
a. Na and Ca
b. Si and Al
c. C, Ge
d. S, Cl
21. To get the atomic mass, we sum up the numbers of
a. protons and electrons
b. electrons and neutrons
c. protons and neutrons
d. atomic number and number of protons
22. Which of the following elements will most likely not participate in bonding
a. Si
b. Sr
c. Xe
d. K
23. An atom contains 11 protons, 11 electrons, and 12 neutrons. What is the mass number
a. 11
b. 12
Page 4 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
c. 23
d. 25
24. Which of the following is an example of a chemical change?
a. Sodium and chlorine combining to form NaCl.
b. CO2 in the form of dry ice evaporating into CO2 gas.
c. Glass that is shattered by a baseball.
d. The condensation of steam into liquid water.
25. Which statement relating to compounds is incorrect.
a. Different compounds can contain the same type of elements.
b. Two different compounds cannot have the exact same type of elements.
c. Compounds are formed from the combination of different elements.
d. Elements combine in compounds in whole number ratios.
26. Which of the following represents a compound with four different types of atoms?
a. H2O
b. NO2
c. Ca(C2H3O2)2
d. Fe(NO3)2
27. Which method would best be used to recover sugar from a solution of sugar and water?
a. boiling the solution to remove the water.
b. filtering the solution with filter paper
c. adding additional sugar to the solution to cause the sugar to precipitate
d. adding alcohol to the solution
28. 50 grams of acetic acid C2H4O2 are dissolved in 200 g of water. Calculate the weight % of the acetic
acid in the solution.
a. 20%
b. 0.069%
c. 25%,
d. 20%
29. Place the following in the correct order of increasing acidity.
a. HCl< HF< HI< HBr
b. HCl< HBr< HI< HF
c. HI< HBr< HCl< HF
d. HF< HCl< HBr< HI
30. 100 g of ethanol C2H6O is dissolved in 100 g of water. The final solution has a volume of 0.2 L. What
is the density of the resulting solution?
a. 0.5 g/mL
b. 1 g/mL
c. 46 g/mL
d. 40 g/mL
Page 5 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
31. Which particle in the atom has a neutral charge.
a. proton
b. neutron
c. electron
d. nucleus
32. Atoms become ions by losing or gaining which particle?
a. neutron
b. ion
c. electron
d. proton
33. If a neutral atom has 10 protons and 10 electrons, what charge will the resulting ion have if the atom
loses 3 electrons?
a. postive
b. negative
c. neutral
d. cannot be determine without the number of neutrons
34. Which term describes a negatively charged ion?
a. positron
b. anion
c. ionic
d. cation
35. The addition of 2 electrons to a neutral atom results in an ion of charge:
a. atoms don’t lose electrons
b. a charge of -2
c. a charge of +2
d. can only be determine by knowing the number of protons in the nucleus
36. Which statement is not true for an ion of sulfur with a charge of -2 (S-2)
a. The number of protons decreased by 2 to form this ion.
b. There are two more electons than protons in this ion.
c. The number of electrons increased by 2 to form this ion.
d. The number of neutrons did not change when this ion was formed.
37. Which of the following elements occurs as a diatomic element.
a. Argon
b. Krypton
c. Fluorine
d. Carbon
38. What is the charge of an ion that has 6 protons, 9 neutrons, and 7 electrons?
a. +1
b. -1
c. +2
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С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
d. -2
39. What is the correct maximum number of electrons contained in the s-orbital.
a. 2
b. 6
c. 10
d. 14
40. Which of the following electon configurations is correct for the potassium atom?
a. 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1
b. 1s2, 2s2, 2p6, 3s2, 3p6, 3d11
c. 1s2, 2s2, 2p6, 3s2, 3p6, 4s2
d. 1s2, 2s2, 2p6, 3s2, 3p6, 4s1
41. Which of the following electon configurations is correct for the chlorine atom ?
a. 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p6
b. 1s2, 2s2, 2p6, 3s2, 3p5
c. 1s2, 2s2, 2p6
d. 1s2, 2s2, 2p6, 3s2, 3p6
42. Which electron configuration correctly represents a nonmetal element on the periodic chart?
a. 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p5
b. 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d9
c. 1s2, 2s2, 2p6, 3s2, 3p6, 4s1
d. 1s2, 2s2, 2p6, 3s2, 3d6
43. Which electron configuration most likely represents an element in the last column of the periodic
chart?
a. 1s2, 2s2, 2p6, 3s2, 3p6
b. 1s2, 2s2, 2p6, 3s2, 3p6, 4s1
c. 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10
d. 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d10, 4p3
44. Which of the following elements has the most electrons in the outer p-orbital?
a. oxygen
b. Fluorine
c. Sodium
d. Magnesium
45. Which element does not occur as a diatomic molecule?
a. helium
b. fluorine
c. nitrogen
d. bromine
Page 7 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
46. Choose the correct formula for the compound: Magnesium Bromide
a. MgBr
b. MgBr2
c. Mg2Br
d. Mg2Br2
47. Choose the correct formula for the compound: Magnesium Sulfide
a. Mg2S2
b. Mg2S
c. MgS2
d. MgS
48. Choose the correct formula for the compound: Lithium Sulfide
a. Li2S2
b. LiS
c. Li2S
d. LiS2
49. Choose the correct formula for the compound: Aluminum Sulfide
a. AlS2
b. Al3S2
c. Al2S3
d. AlS
50. Choose the correct formula for the compound: Barium Hydroxide
a. BaH2
b. BaOH
c. BaOH2
d. Ba(OH)2
51. Choose the correct formula for the compound: Ammonium Carbonate
a. NH4CO3
b. (NH4)2CO3
c. NH4(CO3)2
d. NH3CO3
52. Choose the correct formula for the compound: Barium Phosphate
a. Ba3(PO4)2
b. BaPO4
c. Ba3PO4
d. Ba2(PO4)3
53. Choose the correct formula for the compound: Sulphuric acid
a. H2SO3
b. H3SO3
c. H3SO4
d. H2SO4
Page 8 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
54. Choose the correct formula for the compound: Copper (II) Bromide
a. Cu2Br2
b. CuBr2
c. CuBr
d. Cu2Br
55. Choose the correct formula for the compound: Chromium (III) Iodide
a. Cr3I
b. CrI
c. CrI3
d. Cr3I3
56. Choose the correct formula for the compound: Lead (II) Sulfide
a. PbS
b. Pb2S
c. Pb2S2
d. PbS2
57. Choose the correct formula for the compound: Mercury (I) Sulfide
a. HgS
b. Hg2S2
c. HgS2
d. Hg2S
58. Choose the correct formula for the compound: Sulfur Trioxide
a. SO3
b. SO
c. S2O
d. SO2
59. Choose the correct formula for the compound: Silicon Dioxide
a. Si2O2
b. SiO2
c. Si2O
d. SiO
60. Choose the correct name for the compound: BaI2
a. Barium Iodate
b. Barium Diiodide
c. Barium (II) Iodide
d. Barium Iodide
61. Choose the correct name for the compound: AlCl3
a. Aluminum (III) Chloride
b. Aluminum Chloride
c. Aluminum Trichloride
Page 9 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
d. Aluminum Tetrachloride
62. Choose the correct name for the compound: CaS
a. Calcium sulfide
b. Calcium Monosulfide
c. Calcium (II) sulfide
d. Calcium (I) sulfide
63. Choose the correct name for the compound: K2SO3
a. Potassium Sulfide
b. diPotassium Sulfite
c. Potassium (II) Sulfite
d. Potassium Sulfite
64. Choose the correct name for the compound: (NH4)3PO4
a. Aluminum Phosphate
b. Ammonium Phosphate
c. Nitrogen TriHydrate Phosphate
d. Triammonium Phosphate
65. Choose the correct name for the compound: NH4Br
a. Nitrous Tetrahydrogen
b. Ammonium Bromide
c. MonobromideAmmonium Bromide
d. Nitrogen Hydrogen Bromine
66. Choose the correct name for the compound: Al2(CO3)3
a. Aluminum Tricarbonate
b. Aluminum Carbonate
c. Aluminum Carbide
d. Ammonium Tricarbide
67. Choose the correct name for the compound: Fe(NO3)2
a. Iron (II) Nitrite
b. Iron (II) Nitrate
c. Iron Nitrite
d. Iron Dinitrite
68. Choose the correct name for the acid: H2SO4
a. Hydro Sulfuric Acid
b. Sulfuric Acid
c. Sulfurous Acid
d. Hydro Sulfurous Acid
69. The type of reaction illustrated by the equation below would best be described as:
2Al(OH)3 → Al2O3 + 3H2O
a. double replacement
Page 10 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
b. decomposition
c. combination
d. combustion
70. The type of reaction illustrated by the equation below would best be described as:
2C2H6 + 5 O2 → 2CO2 + 6H2O
a. double replacement
b. decomposition
c. combination
d. combustion
71. For the indicated reaction, choose the products that are most likely to be formed.
K2CO3 →
a. K2C + O2
b. KO + CO2
c. KO2 + CO2
d. K2O + CO2
72. For the indicated reaction, choose the products that are most likely to be formed.
Ag + S →
a. AgS
b. SAg
c. Ag2S
d. S2Ag
73. For the indicated reaction, choose the products that are most likely to be formed.
Fe + Cl2 (assume Fe .. Fe+2) →
a. FeCl2
b. FeCl + Cl
c. FeCl3
d. FeCl
74. For the indicated reaction, choose the products that are most likely to be formed.
Al + Pb(NO3)2 →
a. Al(NO3)3 + Pb
b. Al(NO3)2 + Pb
c. AlPb + NO3
d. PbAl + NO375. For the indicated reaction, choose the products that are most likely to be formed.
K + H2O →
a. K2O + H2
b. KOH + H2
c. KO + H2
d. K2O + H2O
Page 11 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
76. For the indicated reaction, choose the products that are most likely to be formed.
K2CrO4 + Pb(NO3)2 →
a. KPb + NO3CrO4
b. K2Pb + NO3CrO4
c. KNO3 + PbCrO4
d. K2(NO3)2 + PbCrO4
77. For the indicated reaction, choose the products that are most likely to be formed.
F2 + BaCl2 →
a. BaF + Cl
b. BaF2 + Cl2
c. Ba + FCl
d. Ba + ClF
78. For the indicated reaction, choose the products that are most likely to be formed.
Na + H2O →
a. NaH + O2
b. NaH2 + O2
c. Na2O + H2
d. NaOH + H2
79. For the indicated reaction, choose the products that are most likely to be formed.
C2H6 + O2 →
a. CH2O
b. CO2 + H2O
c. C6H12O6
d. C6H6 + H2O
80. The molar mass of 1 mole of carbon is:
a. 6.0 g
b. 12.0 g
c. 18.0 g
d. 24.0 g
81. The molar mass of one mole of nitrogen gas is:
a. 7.0 g
b. 14.0 g
c. 21.0 g
d. 28.0 g
82. The molar mass of HCl is:
a. 36.46 g
b. 18.00 g
c. 72.90 g
d. 35.45 g
Page 12 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
83. The molar mass of H3PO4 is:
a. 8.00 g
b. 47.98 g
c. 82.00 g
d. 98.00 g
84. Equation: Zn + 2HCl → ZnCl2 + H2↑
From the indicated equation, if 5.0 moles of zinc are used with excess HCl, how many moles of the
product ZnCl2 would be formed.
a. 1.0
b. 2.5
c. 5.0
d. 10.0
85. Equation: Zn + 2HCl → ZnCl2 + H2↑
From the indicated equation, if 5.0 moles of HCl are used with excess Zn, how many moles of the product
ZnCl2 would be formed.
a. 1.0
b. 2.5
c. 5.0
d. 10.0
86. Equation: Zn + 2HCl → ZnCl2 + H2↑
From the indicated equation, if 5.0 moles of HCl are used with 5.0 moles of Zn, how many moles of the
product ZnCl2 would be formed.
a. 1.0
b. 2.5
c. 5.0
d. 10.0
87. Equation: Zn + 2HCl → ZnCl2 + H2↑
From the indicated equation, if 5.0 moles of HCl are used with 2.0 moles of Zn, how many moles of the
product ZnCl2 would be formed.
a. 1.0
b. 2.0
c. 2.5
d. 5.0
88. When a catalyst is added to a system at equilibrium, a decrease occurs in the
a. activation energy
b. heat of reaction
c. potential energy of the reactants
d. potential energy of the products
89. In a chemical reaction, a catalyst changes the
a. potential energy of the products
b. potential energy of the reactants
Page 13 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
c. heat of reaction
d. activation energy
90. Which is a property of a reaction that has reached equilibrium?
a. The amount of products is greater than the amount of reactants.
b. The amount of products is equal to the amount of reactants.
c. The rate of the forward reaction is greater than the rate of the reverse reaction.
d. The rate of the forward reaction is equal to than the rate of the reverse reaction.
91. Which procedure will increases the solubility of KCl in water?
a. stirring the solute and solvent mixture
b. increasing the surface area of the solute
c. raising the temperature of the solvent
d. increasing the pressure on the surface of the solvent
92. Given the reaction at equilibrium: 2CO(g) + O2(g) <-> 2CO2(g) When the reaction is subjected to
stress, a change will occur in the concentration of
a. reactants, only
b. products, only
c. both reactants and products
d. neither reactants nor products
93. In which reaction will the point of equilibrium shift to the left when the pressure on the system is
increased?
a. C(s) + O2(g) ↔ CO2(g)
b. CaCO3(s) ↔ CaO(s) + CO2(g)
c. 2Mg(s) + O2(g) ↔ 2MgO(s)
d. 2H2(g) + O2(g) ↔ 2H2O(g)
94. Given the reaction at equilibrium: 2 SO2(g) + O2(g) ↔ 2 SO3(g) + heat
Which change will shift the equilibrium to the right?
a. adding a catalyst
b. adding more O2(g)
c. decreasing the pressure
d. increasing the temperature
95. Given the unbalanced equation: Al + O2 = Al2O3. When this equation is completely balanced using
the smallest whole numbers, what is the sum of the coefficients?
a. 9
b. 7
c. 5
d. 4
96. Which is the correct formula for nitrogen (I) oxide?
a. NO
b. N2O
c. NO2
Page 14 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
d. N2O3
97. What is the total number of atoms represented in the formula CuSO4 . 5H2O?
a. 8
b. 13
c. 21
d. 27
98. What is the total number of atoms contained in 2.00 moles of nickel?
a. 58.9
b. 118
c. 6.02 x 1023
d. 1.2 x 1024
99. What is the percent by mass of oxygen in magnesium oxide, MgO?
a. 20%
b. 40%
c. 50%
d. 60%
100. Which solution is the most concentrated?
a. 1 mole of solute dissolved in 1 liter of solution?
b. 2 moles of solute dissolved in 3 liters of solution?
c. 6 moles of solute dissolved in 4 liters of solution?
d. 4 moles of solute dissolved in 8 liters of solution?
101. What is the total number of moles of hydrogen gas contained in 9.03 x 1023
a. 1.5 moles
b. 2.00 moles
c. 6.02 moles
d. 9.03 moles
102. What is the total number of moles of H2SO4 needed to prepare 5.0 liters of a 2.0 M solution of
H2SO4?
a. 2.5
b. 5.0
c. 10
d. 20
103. What is the mass in grams of 3.0 x 1023 molecules of CO2?
a. 22 g
b. 44 g
c. 66 g
d. 88 g
104. At STP, 32.0 liters of O2 contain the same number of molecules as
a. 22.4 L Ar
Page 15 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
b. 28.0 L of N2
c. 32. 0 L of H2
d. 44.8 L of He
105. What is the molarity of a KF (aq) solution containing 116 grams of KF in 1.00 liter of solution?
a. 1.00 M
b. 2.00 M
c. 3.00 M
d. 4.00 M
106. Given the reaction CH4 + 2O2 → CO2 + 2H2O,
What amount of oxygen is needed to completely react with 1 mole of CH4?
a. 2 moles
b. 2 atoms
c. 2 grams
d. 2 molecules
107. What is the total number of moles of hydrogen atoms contained in one mole of (NH4)2C2O2?
a. 6
b. 2
c. 8
d. 8
e. 4
108. Given the balanced equation: Mg(s) + 2HCL(aq) → MgCl2(aq) + H2(g)
At STP, what is the total number of liters of hydrogen gas produced when 3.00 moles of hydrochloric
acid solution is completely consumed?
a. 11.2 L
b. 22.4 L
c. 33.6 L
d. 44.8 L
109. What is the oxidation number of chlorine in HClO4?
a. +1
b. +5
c. +3
d. +7
110. Which compound is a salt?
a. Na3PO4
b. H3PO4
c. CH3COOH
d. Ca(OH)2
111. Which compound will conduct an electric current when dissolved in water?
a. NaOH
b. C2H5OH
Page 16 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
c. C6H12O6
d. C12H22O11
112. Which statement best describes compounds containing ionic bonds?
a. These compounds generally contain two non-metals.
b. These compounds generally contain a metal and a non-metal.
c. These compounds generally contain two metals.
d. These compounds generally contain two semi-metals.
113. The molecule F2 is best described by which statement?
a. This is a slightly polar covalent molecule.
b. This is a very polar covalent molecule.
c. This is a very polar ionic molecule.
d. This is a non-polar covalent molecule.
114. The molecule H2O is best described as:
a. Ionic molecule
b. Nonpolar covalent molecule
c. Polar covalent molecule
d. Nonpolar Ionic molecule
115.
a.
b.
c.
d.
What is the expected shape of the molecule CH4?
triangular
angular
triganol pyramidal
tetrahedral
116.
a.
b.
c.
d.
The molar volume of any gases at STP is defined as:
100.0 liters
22.4 mL
22.4 liters
1.00 liters
117. Which type of reaction is occurring when a metal undergoes corrosion?
a. oxidation-reduction
b. neutralization
c. polymerization
d. saponification
118. What is the oxidation number of carbon in NaHCO3?
a. +6
b. +2
c. -4
d. +4
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С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
119. Which formula represents a salt?
a. KOH
b. KCl
c. CH3OH
d. CH3COOH
120. Which element is present in all organic compounds?
a. carbon
b. nitrogen
c. oxygen
d. phosphorous
121. Which compounds are isomers?
a. 1-propanol and 2-propanol
b. methanoic acid and ethanoic acid
c. methanol and methanal
d. ethane and ethanol
122. Which statement explains why the element carbon forms so many compounds?
a. Carbon atoms combine readily with oxygen.
b. Carbon atoms have very high electronegativity.
c. Carbon readily forms ionic bonds with other carbon atoms.
d. Carbon readily forms covalent bonds with other carbon atoms.
123. Which polymers occur naturally?
a. starch and nylon
b. starch and cellulose
c. protein and nylon
d. protein and plastic
124. What products are obtained with CH4(g) burns completely in an excess of oxygen?
a. CO and H2O
b. CO and C
c. CO2 and H2O
d. CO2 and CO
125. Which formula represents butane?
a. CH3CH3
b. CH3CH2CH3
c. CH3CH2CH2CH3
d. CH3CH2CH2CH2CH3
126. A hydrocarbon molecule is considered to be saturated if the molecule contains
a. Single covalent bonds, only
b. A double covalent bond, only
c. A triple covalent bond
d. Single and double covalent bonds
Page 18 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
127. What is the name of the compound that has the molecular formula C6H6?
a. butane
b. butene
c. benzene
d. butyne
128. In which pair of hydrocarbons does each compound contain only one double bond per molecule?
a. C2H2 and C2H6
b. C2H2 and C3H6
c. C4H8 and C2H4
d. C6H6 andC7H8
129. The reaction CH2CH2 + H2 → CH3CH3 is an example of
a. substitution
b. addition
c. esterification
d. fermentation
130. Which compound is a saturated hydrocarbon?
a. ethane
b. ethene
c. ethyne
d. ethanol
131. What type of reaction is CH3CH3 + Cl2 → CH3CH2Cl + HCl?
a. an addition reaction
b. a substitution reaction
c. a saponification reaction
d. an esterification reaction
132. What is the maximum number of covalent bonds than an atom of carbon can form?
a. 1
b. 2
c. 3
d. 4
133. Which class of organic compounds can be represented as R-OH?
a. acids
b. alcohols
c. esters
d. ethers
134. Which molecule contains a total of three carbon atoms?
a. 2-methylpropane
b. 2-methylbutane
c. propane
Page 19 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
d. butane
135. What substance is made up of monomers joined together in long chains?
a. ketone
b. protein
c. ester
d. acid
136. Which compound is an organic acid?
a. CH3OH
b. CH3OCH3
c. CH3COOH
d. CH3COOCH3
137. Which organic compound is classified as a primary alcohol?
a. Ethylene glycol
b. Ethanol
c. Glycerol
d. 2-butanol
138. For ethyne: C2H2
What is the total number of electrons shared between the carbon atoms?
a. 6
b. 2
c. 3
d. 4
139. Which set contains one natural polymer and one synthetic polymer?
a. Cellulose and Starch
b. Polyethylene and Nylon
c. Protein and Starch
d. Protein and Nylon
140. Aldehydes can be synthesized by the oxidation of
a. Primary alcohols
b. Secondary alcohols
c. Organic acids
d. Inorganic acids
141. Given the reaction: C2H2 + 2H2 → C2H6
This reaction represents:
a. Substitution
b. Addition
c. Esterification
d. Saponification
Page 20 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
142. Which pair of names refers to the same compound?
a. Ethyne and Acetylene
b. Ethyne and Ethene
c. Ethane and Acetylene
d. Ethane and Ethene
143. A condensation polymerization reaction is best described as the
a. Joining of monomers by the removal of oxygen
b. Joining of monomers by the removal of water
c. Oxidation of a hydrocarbon by oxygen
d. Oxidation of a hydrocarbon by water
144. Which formula represents a ketone?
a. CH3COOH
b. C2H5OH
c. CH3COCH3
d. CH3COOCH3
145. The bond between hydrogen and oxygen in a water molecule is classified as
a. Ionic and Nonpolar
b. Ionic and Polar
c. Covalent and Nonpolar
d. Covalent and Polar
146. What is the total number of hydrogen atoms required to form 1 molecule of C3H5(OH)3?
a. 1
b. 5
c. 3
d. 8
147. A compound that can act as an acid or a base is referred to as
a. A neutral substance
b. An amphoteric substance
c. A monomer
d. An isomer
148. Which compound is an electrolyte?
a. CH3OH
b. CH3COOH
c. C3H5(OH)3
d. C12H22O11
149. Which organic compound is classified as an acid?
a. CH3CH2COOH
b. CH3CH2OH
c. C12H22O11
Page 21 from 22
С.Ж. АСФЕНДИЯРОВ АТЫНДАҒЫ
ҚАЗАҚ ҰЛТТЫҚ МЕДИЦИНА УНИВЕРСИТЕТІ
KAZAKH NATIONAL MEDICAL
UNIVERSITY BY S.D.ASPHENDIYAROV
DEPARTMENT OF CHEMISTRY
TESTS FOR FORINERS
d. C6H12O6
150. During fractional distillation, hydrocarbons are separated according to their
a. Boiling points
b. Melting points
c. Triple points
d. Saturation points
Discussed and confirmed at a meeting of the Department of Chemistry,
16.06.14 Protocol № 11
Head. Department of Сhemistry,
professor
N.U.Aliev
Developers:
Nechepurenko E.V.
(in.tel.7219)
Page 22 from 22