Ceramics, Polymers & Composites (AQA GCSE Chemistry): Quizzes
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14 questions from this quiz
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Practise the questions
14 questions from this quiz
What is a key characteristic of ceramics?
What is a key characteristic of ceramics?
High melting points
What are the components of soda-lime glass?
What are the components of soda-lime glass?
Sand, sodium carbonate, limestone
What is borosilicate glass made from?
What is borosilicate glass made from?
Sand and boron trioxide
How does borosilicate glass compare to soda-lime glass?
How does borosilicate glass compare to soda-lime glass?
It has a higher melting point
Which products commonly use soda-lime glass?
Which products commonly use soda-lime glass?
Drinking glasses, mirrors, windows
How are clay ceramics like bricks produced?
How are clay ceramics like bricks produced?
Shaping wet clay then heating in kiln
What are composites?
What are composites?
Materials from 2+ different substances
What is reinforced concrete made from?
What is reinforced concrete made from?
Cement around steel or iron rods
What do the steel rods in reinforced concrete provide?
What do the steel rods in reinforced concrete provide?
Strength
What do polymer properties depend on?
What do polymer properties depend on?
Monomers used & production conditions
Under what conditions is LDPE produced?
Under what conditions is LDPE produced?
Moderate temperature & high pressure
What property does HDPE have compared to LDPE?
What property does HDPE have compared to LDPE?
More rigid
What structural feature do thermosetting polymers have?
What structural feature do thermosetting polymers have?
Cross-links between polymer chains
What happens to thermosoftening polymers when heated?
What happens to thermosoftening polymers when heated?
They melt