Font size
WorksheetsChapter 3 Material Properties
Total questions: 20
Worksheet time: 15mins
What is the name of the reaction used to make polymers?
Weathering
Neutralisation
Transportation
Polymerisation
Which of these is an example of synthetic polymer?
Cotton
Rubber
Polyvinyl chloride
DNA
Polymers are long chain molecules that is linked together by many repeating smaller molecules called (a) .
Steel can become stainless when alloyed with _____.
copper and zinc
copper and tin
chromium and nickel
iron and carbon
Bronze is an alloy made of
copper and iron
copper and tin
copper and zinc
copper and carbon
Why are alloyed metals usually stronger?
They have atoms of different metals in them, which makes it harder for the layer to move past each other...less likely to break
They have atoms of different metals in them, which makes it easier for the layer to move past each other...less likely to break
Alloy is a mixture of
non-metals
2 metals only
a metal with one or a few other elements.
What are elements ?
A substance that has many different atoms
A substance that is made up of just one kind of atom
A substance that has only properties of a meta
A metal which is made of different substances
Which of the following is an alloy?
Copper
Cotton
Manganese steel
Polythene
