Print, Practice and Pass Medical College Admission 2013-14
This is my 5th part of blog on Free Printable MCAT test Sample Questions. This exam is a standardized test that has been a part of the medical school admissions process. You can also use this for passing nursing or other health exams.
You can find all answers in RED
MCAT Free test Sample Questions 49-63
Q 49
Which substance can be decomposed chemically?
A. CaO and Ca
B. MgO and Mg
C. CO and Co
D. CaO and MgO
B. MgO and Mg
C. CO and Co
D. CaO and MgO
Q 50
The particles of a substance are arranged in a definite shape geometric pattern and are constantly vibrating. This substance can be in
A. The solid phase, only
B. The liquid phase, only
C. Either the liquid or the solid phase
D. Neither the liquid or the solid phase
B. The liquid phase, only
C. Either the liquid or the solid phase
D. Neither the liquid or the solid phase
Q 51
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
B. 22.4 L
C. 33.6 L
D. 44.8 L
Q 52
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 products and reactants
D. Neither reactants nor products
B. Products, only
C. Both products and reactants
D. Neither reactants nor products
Q 53
What is the concentration of a solution of 10 moles of copper (II) nitrate in 5.0 liters of solution?
A. .50 M
B. 2.0 M
C. 5.0 M
D. 10 M
B. 2.0 M
C. 5.0 M
D. 10 M
Q 54
What is the oxidation number of chlorine in HClO4?
A. +1
B. +5
C. +3
D. +7
B. +5
C. +3
D. +7
Q 55
Given the redox reaction: Fe2+(aq) + Zn(s) --> Zn2+(aq) + Fe(s)
Which species acts as a reducing agent?
A. Fe(s)
B. Fe2+(aq)
C. Zn(s)
D. Zn2+(aq)
B. Fe2+(aq)
C. Zn(s)
D. Zn2+(aq)
Q 56
Given the reaction: Zn(s) + 2HCl(aq) --> ZnCl2(aq) + H2(g)
Which equation represents the correct oxidation half-reaction?
A. Zn(s) --> Zn2+ + 2e-
B. 2H + 2e---> H2(g)
C. Zn2+ + 2e --> Zn(s)
D. 2Cl- --> Cl2(g) + 2e-
B. 2H + 2e---> H2(g)
C. Zn2+ + 2e --> Zn(s)
D. 2Cl- --> Cl2(g) + 2e-
Q 57
Which of the following is the strongest Bronsted acid?
A. NH
B. HSO
C. H
D. HNO3
B. HSO
C. H
D. HNO3
______________________________
49. D
50. A
51. C
52. C
53. B
54. D
55. C
56. A
57. A
58. B
59. B
60. C
61. A
62. D
63. A
_____________________________
Q 58
What is the pH of a solution with a hydronium ion concentration of .01 mole per liter?
A. 1
B. 2
C. 10
D. 14
B. 2
C. 10
D. 14
Q 59
Which terms describe a substance that has a low melting point and poor electrical conductivity?
A. Covalent and metallic
B. Covalent and molecular
C. Ionic and molecular
D. Ionic and metallic
B. Covalent and molecular
C. Ionic and molecular
D. Ionic and metallic
Q 60
Given the reaction: 4NH3 + 5O2 --> 4NO + 6H2O
What is the maximum number of moles of H2O that can be produced when 2.0 moles of NH3 are completely reacted?
What is the maximum number of moles of H2O that can be produced when 2.0 moles of NH3 are completely reacted?
A. 1.0
B. 2.0
C. 3.0
D. 6.0
B. 2.0
C. 3.0
D. 6.0
Q 61
Which compound is a salt?
A. Na3PO4
B. H3PO4
C. CH3COOH
D. Ca(OH)2
B. H3PO4
C. CH3COOH
D. Ca(OH)2
Q 62
At 1 atm and 298 K, which of the Ka values listed below represents the strongest acid?
A. 1.1 x 10-7
B. 1.8 x 10-5
C. 5.6 x 10-11
D. 4.6 x 10-4
B. 1.8 x 10-5
C. 5.6 x 10-11
D. 4.6 x 10-4
Q 63
Which compound will conduct an electric current when dissolved in water?
A. NaOH
B. C2H5OH
C. C6H12O6
D. C12H22O11
B. C2H5OH
C. C6H12O6
D. C12H22O11
