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Jugar Test
1. 
What is graphene made of?
A.
One layer of oxygen atoms.
B.
One layer of carbon atoms.
C.
Metal.
D.
Plastic.
2. 
Choose the correct properties of graphene.
A.
Brittle
B.
Strong
C.
Soft
D.
Flexible
3. 
When was graphene discovered?
A.
1946
B.
1987
C.
2004
D.
2015
4. 
Choose the correct properties of graphene.
A.
Conductive
B.
Absorbent
C.
Soluble
D.
Light
5. 
Why is graphene used to make batteries?
A.
It is very heavy.
B.
It is very fragile.
C.
It is very conductive.
D.
It is very strong.
6. 
Why is graphene used to make touch screens for tablets?
A.
It is absorbent and elastic.
B.
It is insulating and flexible.
C.
It is rough and waterproof.
D.
It is light and transparent.