WorksheetsFinal Exam Review Chemistry
Total questions: 50
Worksheet time: 17mins
Name
Class
Date
1.
What is a chemical property?
a)
melting
b)
burning
c)
electricity
d)
breaking
2.
How many elements make up H2O?
a)
3
b)
4
c)
5
d)
6
3.
Decomposition reaction
a)
AB -> A + B
b)
A + B ---> AB
c)
AB + C --> AC + B
4.
Synthesis
a)
AB -> A + B
b)
A + B ---> AB
c)
AB + C --> AC + B
5.
Replacement
a)
AB -> A + B
b)
A + B ---> AB
c)
AB + C --> AC + B
6.
Air is an example of a
a)
colloid
b)
suspension
c)
solution
7.
Milk is an example of a
a)
colloid
b)
suspension
c)
solution
8.
Oil and water is an example of a
a)
colloid
b)
suspension
c)
solution
9.
What is a physical property?
a)
freezing
b)
reacting with acid
c)
burning
10.
What is the unit for volume?
a)
kg
b)
cm
c)
g/cm
d)
mL
11.
What is the SI unit for mass?
a)
kg
b)
cm
c)
g/cm
d)
mL
12.
What does the H in pH stand for?
a)
Halogen
b)
Hydrogen
c)
Heat
d)
Helium
13.
Polar solutes dissolve in what solvents?
a)
Non Polar
b)
Polar
c)
Liquid
d)
Salt
14.
What is an indicator?
a)
Solute
b)
Solvent
c)
Litmus paper
d)
colloid
15.
Which is a method to separate mixtures?
a)
breaking
b)
cutting
c)
filtration
d)
pouring
16.
The law of conservation of mass states: the mass of the reactants is
a)
more than the products
b)
less than the products
c)
equal to the products
d)
non existent
17.
Matter has 2 kinds of properties:
a)
thermal and chemical
b)
physical and thermal
c)
boiling and chemical
d)
physical and chemical
18.
A mixture with particles that are visible and can be seperated by filtration is a
a)
colloid
b)
suspension
c)
solution
19.
A mixture made up of a solute and a solvent is a
a)
colloid
b)
suspension
c)
solution
20.
A mixture with small undissolved particles is a
a)
colloid
b)
suspension
c)
solution
21.
Which is the largest amount in a solution
a)
solute
b)
solvent
c)
mixture
d)
salt
22.
Which of these does NOT affect the reaction rate
a)
temperature
b)
volume
c)
concentration
d)
surface area
23.
What means acids 'eat away' at materials?
a)
corrosive
b)
solubility
c)
unsaturated
d)
saturated
24.
The minimum energy needed to start a chemical reaction
a)
chemical energy
b)
mechanical energy
c)
activation energy
d)
physical energy
25.
Which process uses distilled water?
a)
filtration
b)
evaporation
c)
distillation
d)
magnetic attraction
26.
Best evidence for precipitation is
a)
solid in a liquid
b)
melting
c)
rusting
d)
burning
27.
An acid:
a)
turns blue litmus paper red
b)
turns red litmus paper blue
c)
feels slippery
d)
tastes bitter
28.
A base:
a)
turns blue litmus paper red
b)
turns red litmus paper blue
c)
tastes sour
d)
is corrosive
29.
Decomposition reaction
a)
complex reactant breaks down to form simpler products
b)
simpler reactants form a complex products
c)
one element replaces another
30.
Synthesis reaction
a)
complex reactant breaks down to form simpler products
b)
simpler reactants form a complex products
c)
one element replaces another
31.
Replacement reaction
a)
complex reactant breaks down to form simpler products
b)
simpler reactants form a complex products
c)
one element replaces another
32.
A group of 2 or more atoms bonded together
a)
compound
b)
molecule
c)
element
d)
atom
33.
A group of 2 or more elements bonded together
a)
compound
b)
molecule
c)
element
d)
atom
34.
The smallest most basic particle
a)
compound
b)
molecule
c)
element
d)
atom
35.
Which one speeds up the chemical reaction?
a)
inhibitor
b)
catalyst
c)
preservatives
36.
Which one slows down a chemical reaction?
a)
inhibitor
b)
catalyst
37.
A measure of how much solute can dissolve in a solvent
a)
concentration
b)
solubility
c)
temperature
d)
dissolve
38.
When energy is released
a)
endothermic reaction
b)
exothermic reaction
39.
When energy is absorbed
a)
endothermic reaction
b)
exothermic reaction
40.
The unit for density is
a)
g
b)
kg
c)
cm3
d)
g/cm3
41.
What is a single kind of matter and composition
a)
compound
b)
molecule
c)
substance
d)
mixture
42.
We use these number to balance chemical equations
a)
subscripts
b)
scale
c)
coefficients
d)
mass
43.
What is a biological catalyst?
a)
inhibitor
b)
solvent
c)
solute
d)
enzyme
44.
When a lot of solute is added:
a)
dilute
b)
concentrated
c)
saturated
d)
unsaturated
45.
When a little solute is added
a)
dilute
b)
concentrated
c)
saturated
d)
unsaturated
46.
When more solute can dissolve:
a)
dilute
b)
concentrated
c)
saturated
d)
unsaturated
47.
When no more solute can dissolve
a)
dilute
b)
concentrated
c)
saturated
d)
unsaturated
48.
Acids pH:
a)
Less than 7
b)
More than 7
c)
7
d)
14
49.
Bases pH:
a)
Less than 7
b)
More than 7
c)
7
d)
14
50.
pH of Water
a)
Less than 7
b)
More than 7
c)
7
d)
14
100 %
