|
Pregunta
|
Respuesta correcta
|
Which material is commonly used to make electrical cables because it is a good conductor? :
|
Copper |
What is the main property of plastics? :
|
They are easy to mould |
Which of these materials is natural? :
|
Wood |
Which material is most suitable for making window ? :
|
Glass |
Ceramics are usually: :
|
Hard |
|
Pregunta
|
Respuesta correcta
|
Which of these is a thermoplastic material? :
|
PVC |
What property describes a material that can be stretched without breaking? :
|
Elasticity |
Which material is commonly used in construction because of its strength and durability? :
|
Concrete |
Which material is lightweight? :
|
Aluminium |
Which of these materials is a thermosetting plastic? :
|
Bakelite |
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