Worksheetscorrosion
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
What is oxidation?
a)
A reaction involving oxygen
b)
A reaction involving non-metals
2.
Is the following equation an example of oxidation?
Cu + O2 ---> 2 CuO
Cu + O2 ---> 2 CuO
a)
Yes
b)
No
3.
Is the following equation an example of oxidation?
Na + Cl ----> NaCl
Na + Cl ----> NaCl
a)
Yes
b)
No
4.
Rusting is a _____________ process.
a)
Mechanical
b)
Chemical
c)
Physical
5.
What two things cause Iron to Rust ?
a)
Air and Oxygen
b)
Oxygen and Water
c)
Water and Carbon dioxide
d)
Carbon dioxide and Air
6.
What is the chemical name given to Rust ?
a)
Iron dioxide
b)
Steel oxide
c)
Iron oxide
d)
Carbon dioxide
7.
What is the name of negative electrode?
a)
Cathode
b)
Anode
c)
Cation
d)
Anion
8.
What is the name of positive electrode?
a)
Cathode
b)
Anode
c)
Cation
d)
Anion
9.
Which of the following metals is very unreactive and unlikely to corrode.
a)
Copper
b)
Gold
c)
sodium
d)
Potassium
10.
Galvanizing is a process of:
a)
Applying a Zinc coating to bare steel
b)
Washing the body with the phosphate coating
c)
dipping a body in E-COAT
d)
Chemically etching primer to steel
100 %
