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Jouer Test
1. 
The opposite property of hardness is...
2. 
The opposite property of fragility is...
3. 
The opposite of expansion is...
4. 
The opposite of permeability is...
5. 
Choose the optical properties from the listed.
A.
transparency
B.
malleability
C.
toughness
D.
translucency
E.
weldability
F.
opacity
6. 
You have to put the folowing waste products in the yellow container.
A.
newspaper
B.
drink can
C.
milk carton
D.
bottle of wine
E.
glass bottle
F.
cardboard box
7. 
Which of the following materials has the lowest density
A.
glass
B.
PVC
C.
cotton
D.
granite
8. 
All metals are
A.
heavy materials
B.
very hard materials
C.
thermal conductors
D.
electrical insulators
9. 
Wood is usually not...
A.
recyclable
B.
a thermal insulator
C.
an electrical insulator
D.
an impermeable material
10. 
Which of the following materials doesn't oxidise?
A.
tin
B.
steel
C.
planks
D.
brass
11. 
These materials are ductile, malleable, tough and can be welded.
A.
copper and glass
B.
glass and planks
C.
steel and PVC
D.
lead and concrete
12. 
In the manufacturing of wires and cables, copper and aluminium are used because these materials are...
A.
recyclable
B.
thermal conductors and malleable
C.
thermal and electrical conductors
D.
ductile and electrical conductors