NEW
Font size
S
M
L
XL
WorksheetsUnit 1 Chem Retake Review
Total questions: 18
Worksheet time: 47mins
Name
Class
Date
1.
CxHy +O2 --> H2O + CO2
a)
Decomposition
b)
Double replacement
c)
Combustion
d)
Single Replacement
2.
What type of reaction involves the breaking down of a substance into simpler substances?
a)
Single Displacement Reaction
b)
Double Displacement Reaction
c)
Synthesis Reaction
d)
Decomposition Reaction
3.
Identify this type of reaction:
Al (s) + HCl (aq) → AlCl3 (aq) + H2 (g)
Al (s) + HCl (aq) → AlCl3 (aq) + H2 (g)
a)
Precipitation
b)
Synthesis
c)
Combustion
d)
Single Replacement
4.
Cu + 2Ag(NO3) → 2Ag + Cu(NO3)
a)
Synthesis Reaction
b)
Decomposition Reaction
c)
Single Displacement Reaction
d)
Double Displacement Reaction
5.
Ca3(PO4)2 + 3 H2SO4 + 3 CaSO4 + 2 H3(PO4)
a)
Synthesis Reaction
b)
Decomposition Reaction
c)
Single Displacement Reaction
d)
Double Displacement Reaction
6.
What is the part of the chemical equation in green called?
Fe + S --> FeS
Fe + S --> FeS
a)
products
b)
reactants
c)
yield
d)
chemical formula
7.
What is the little number after an element in a chemical equation called.
Example: H2
Example: H2
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
8.
What coefficient should be used to make the following equation balanced?
N2+O2--> _NO
N2+O2--> _NO
a)
1
b)
2
c)
3
d)
4
9.
Which problem is balanced?
(Check ALL answers)
(Check ALL answers)
a)
PbO2 + 2H2
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
10.
How many HCl molecules do you need to balance this equation?
Mg + __HCl ---> MgCl2 + H2
Mg + __HCl ---> MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
11.
What is this?
a)
glass triangle
b)
funnel
c)
stirring rod
d)
buret
12.
What is used to protect your eyes from chemicals, broken glass, and fire?
a)
Fire blanket
b)
Eye wash
c)
Goggles
d)
Flask
13.
When working in the lab, you always...
a)
work with only members of your group with a business-like attitude
b)
ask questions when in doubt about procedures
c)
clean up after yourself
d)
all of the above
14.
What is measured with a graduated cylinder?
a)
Passage of time
b)
Distance from one thing to another
c)
Weight of an object
d)
Volume of liquid
15.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL
b)
35 mL
c)
24 mL
d)
1.9 mL
16.
What is the scale on this graduated cylinder?
a)
.1 mL per line
b)
.2 mL per line
c)
.5 mL per line
d)
1 mL per line
17.
What is the mass on the triple beam balance?
a)
232.5
b)
237.0
c)
750.
18.
Which is the correct position to read a graduated cylinder.
a)
Top position
b)
Bottom position
c)
Middle position
Reset
