Practice Exam:
Part A: Multiple Choice
1. The reaction shown below is an example of a:
a) single displacement reaction
2Mg + O2 2MgO
b) double displacement reaction
c) synthesis reaction
2. Which pair of ions has the same number of electrons?
a) Mg2+ and Clb) Na+ and Cl-
c) Ca2+ and Cl-
d) decomposition reaction
d) Ca2+ and Mg2+
3. Which of the following pH values describes a solution with the highest concentration of hydrogen ions?
a) 1.5
b) 4
c) 7
d) 12
4. Which reaction is NOT a neutralization reaction?
a) Cu(NO3)2 + 2NaOH → Cu(OH)2 + 2NaNO3
c) H2SO4 + Ca(OH)2 → CaSO4 + 2 H2O
b) NaOH + HCl → NaCl + H2O
d) 2HCl + Mg(OH)2 2H2O + MgCl2
5. Which of the following is an ionic compound?
a) OCl2
b) NBr3
c) PbSO4
d) C6H12O6
6. During which part of the cell cycle are the DNA strands replicated?
a) anaphase
b) interphase
c) metaphase
d) prophase
7. The cellular respiration process:
a) is only carried out by animals
c) forms molecules of carbohydrates
b) uses carbon dioxide and produces oxygen
d) uses oxygen and produces carbon dioxide
8. How many of the following statements are true?
a) 1
b) 2
c) 3
d) 4
I.
II.
III.
IV.
The liver produces bile.
The diaphragm contracts when exhaling.
Gas exchange occurs across the alveoli.
The majority of digestion and absorption occurs in the stomach.
9. This ‘flap’ prevents food from entering the trachea:
a) epiglottis
b) tongue
c) larynx
d) bronchi
10. This component of blood helps the immune system destroy “foreign invaders”:
a) white blood cells
b) red blood cells
c) platelets
d) plasma
11. The angle of incidence is the angle between the:
a) incident ray and the surface of a material
c) incident ray and the normal
b) reflected ray and the normal
d) reflected ray and the surface of a material
12. Light reflecting off dry asphalt (i.e.: the road) is an example of:
a) specular reflection
c) total internal reflection
b) diffuse reflection
d) refraction
13. Which condition must be true for total internal reflection to occur?
a) the light ray must bend toward the normal
b) the angle of reflection must equal the angle of incidence
c) light must be travelling faster in the first medium than in the second
d) light must be travelling slower in the first medium than in the second
14. Light is produced when two crystals are rubbed together. This source of light is:
a) Triboluminescent
b) Chemiluminescent
c) Incandescent
d) Phosphorescent
15. The index of refraction for glass is 1.52. What is the speed of light in glass?
a) 1.52 × 108 m/s
b) 1.97 × 108 m/s
c) 3.00 × 108 m/s
d) 6.57 × 108 m/s
16. The angle of refraction is the angle between the:
a) incident ray and the surface of a material
c) incident ray and the normal
b) refracted ray and the normal
d) refracted ray and the surface of a material
Part B: Matching
1
2
3
4
5
6
7
8
9
10
Choose the best answer from Table B to match the word(s) in Table A.
Table A
Ligament
Indicator
Gallbladder
Near-sightedness
Malignant
Glucose
Neuron
Covalent bond
Incandescence
Diffusion
A
B
Table B
Reactant for cellular respiration
Dangerous (cancerous) tumour
C
D
E
F
G
H
I
J
K
L
M
N
makes bile
myopia
product of cellular respiration
hold bones together
light produced from a chemical reaction
determines a chemical’s pH
hyperopia
connect muscle to bone
conducts electrical impulses/signals
stores and concentrates bile
electrons are shared
movement of particles from high to low concentration
O
production of light from heat
Part C: Naming
Complete the formula or name for each compound below:
Formula
Name
Formula
Name
MgCO3
copper (I) phosphate
N2O5
carbon tetrachloride
SnSO4
calcium nitride
Al2S3
iron (III) iodide
Part D: Short Answer
1. Complete the following chemical equations by: * writing the skeleton or word equation
* balancing the skeleton equation
* identifying the type of reaction
a) Pb(NO3)2 + KI KNO3 + PbI2
Word Equation________________________________________________________________________________
Balanced Equation_____________________________________________________________________________
Type of reaction: ___________________________
b)
nitrogen monoxide
+
oxygen gas nitrogen dioxide
Skeleton Equation______________________________________________________________________________
Balanced Equation______________________________________________________________________________
Type of reaction: ___________________________
2. Use light rays (not perpendicular lines) to find the image that would appear in the plane mirror for the object below.
3. Use perpindicular lines to find the image that would appear in the plane mirror for the object below.
4. Use two light rays to determine the image characteristics for the object shown at C on the diagram below, then complete the table that follows.
F
F
C
C
C
C
Type of mirror
Object Location
Size
(bigger/ smaller/same)
Attitude
(inverted/ upright)
Location
Type
(real/ virtual)
At C
5. Use two object-image lines (light rays) to determine the image characteristics for each object, and then complete the table that follows.
2F’
Type
of lens
Object
location
Between 2F’ &F’
F’
Size
(bigger/ smaller than object)
F
2F
Attitude
(inverted/ upright)
Location
Type
(real/ virtual)
(6)