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WorksheetsRust the dust
Total questions: 10
Worksheet time: 2mins
Name
Class
Date
1.
What is the formula for rust?
a)
Na2S5
b)
Fe2O3
c)
AiC4
d)
So3N
2.
Rust is an oxidation process
a)
True
b)
False
3.
Which place has the most loss because of loss?
a)
China
b)
Russia
c)
India
d)
Arab
4.
How much India losses up to because of rust?
a)
70.3 billion$
b)
51.9 billion$
c)
97.7 billion$
d)
3.1 billion$
5.
Does metal need both moisture and oxygen to get rusted?
a)
Yes
b)
No
6.
Rust contains of __________ ion oxides
a)
Nitrous
b)
Argon
c)
Hydrous
d)
Carbon Dioxide
7.
What is the colour of rust?
a)
Brown
b)
Red
c)
Black
d)
Golden
8.
China is at which position for the loss of because of rust?
a)
First
b)
Fourth
c)
Fifth
d)
Second
9.
Are there advantages of rusting
a)
Yes
b)
No
10.
What is rusting also known as
a)
Corrosion
b)
Breaking
c)
Colouring
d)
None of the above
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