Name: ______________________________________________
Date: ______________________________________
Quiz name: Unit 2 Test Review
1.
2.
3.
4.
A(n) __________________ reaction gives off heat, while a(n) ______________ reaction absorbs heat.
A
Endothermic, Exothermic
B
Exothermic, Isothermic
C
Exothermic, Endothermic
D
Hypothermic, Hyperthermic
In solutions, the ___________ is doing the dissolving while the ____________ is being dissolved.
A
Mixture, Solution
B
Solute, Solvent
C
Acid, Base
D
Solvent, Solute
How many neutrons does Beryllium have?
A
4
B
5
C
9
D
13
What is found in the nucleus of an atom?
A
Protons
B
Neutrons
C
Electrons
D
All of the above
E
A & B only
5.
6.
7.
8.
What are the reactants in this chemical reaction?
A
A+B
B
C+D
C
A+C
D
B+D
Which letter indicates the activitation energy for this reaction without an enzyme?
A
A
B
B
C
C
D
D
E
E
What letter represents the activation energy for this reaction using an enzyme?
A
A
B
B
C
C
D
D
E
E
What type of reaction does this graph represent?
A
Exothermic
B
Endothermic
C
Acidic
D
Basic
9.
10.
11.
12.
Boiling water is an example of what type of reaction?
A
Chemical Change
B
Endothermic
C
Exothermic
D
Physical Change
Water molecules are _________________, which allows them to be attracted to each other by __________________ bonds.
A
Neutral, Polar
B
Cohesive, Hydrogen
C
Adhesive, Cohesive
D
Polar, Hydrogen
What is the part of an enzyme that a substrate attaches to called?
A
Product
B
Active Site
B
Active Site
C
Substrate
D
Polar Region
What macromolecule's function is structure, transport, and to catalyze reactions?
A
Carbohydrate
B
Lipid
C
Protein
D
Nucleic Acid
13.
14.
15.
16.
Sugar is the monomer of what macromolecule?
A
Carbohydrate
B
Lipid
C
Protein
D
Nucleic Acid
Waxes and Oils are examples of what macromolecule?
A
Carbohydrates
B
Lipids
C
Proteins
D
Nucleic Acids
What macromolecule stores and transmits genetic information?
A
Carbohydrates
B
Lipids
C
Proteins
D
Nucleic Acids
What type of solution has a pH less than 7?
A
Acidic
B
Basic
C
Neutral
17.
18.
19.
20.
You're feeling sleepy during the school day. What should you eat in between classes to get energy fast?
A
Bread
B
Slim Jims
C
Potato chips
D
Fruit
A solution has a equal concentration of OH- and H+ ions. Classify this solution.
A
Acidic
B
Basic
C
Neutral
What is the approximate atomic mass of boron?
A
5
B
11
C
10
D
6
Of the following liquids, which is the most basic?
A
Lemon juice
B
Coffee
C
Baking Soda
D
Apple Juice
E
Bleach