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corrosion

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

Corrosion Inhibitor: A substance, which slows down the corrosion process when, added to an environment in small concentrations.


Please confirm above statement is TRUE or FALSE

a)

True

b)

False

2.

Neutralizer function is to neutralize acid to prevent corrosion from happening.

a)

True

b)

False

3.

What is oxidation?

a)

A reaction involving oxygen

b)

A reaction involving non-metals

4.
Is the following equation an example of oxidation?
Cu + O2 ---> 2 CuO
a)
Yes
b)
No
5.

Rusting is a _____________ process.

a)

Mechanical

b)

Chemical

c)

Physical

6.

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

7.

What is the chemical name given to Rust ?

a)

Iron dioxide

b)

Steel oxide

c)

Iron oxide

d)

Carbon dioxide

8.
Which of the following metals is very unreactive and unlikely to corrode. 
a)
Copper
b)
Gold
c)
sodium
d)
Potassium
9.

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

10.

what makes molecule bond in water stable

a)

glue

b)

hydrogen bond

c)

tape

d)

oxygen bond

11.

two types of Noble metals

a)

gold and platinum

b)

iron and copper

c)

stainless steel and aluminum

d)

tin and brass

12.

two elemants joined together is called an __________

a)

inget

b)

element

c)

alloy

d)

gem

13.

Rust is,....

a)

hydrated iron

b)

iron oxide

c)

copper carbonate

d)

Hydrated iron oxide

14.

Finish the equation: Aluminium + _________ --> Aluminium oxide

a)

Oxide

b)

Oxygen

c)

Oxygen + water

d)

Water

15.
Galvanizing is a process of:
a)
Applying a Zinc coating to bear steel
b)
Washing the body with the phosphate coating
c)
dipping a body in E-COAT
d)
Chemically etching primer to steel