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Chemistry AQA GCSE:
Using Materials

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AQA triple science only (not for double science students).

Includes transition metals, corrosion, alloys, ceramics, polymers and composites

1. Which would be the most likely use for a thermosetting polymer?
  • A.   saucepan
  • B.   plastic bottle
  • C.   electrical plug
  • D.   food packaging
2. Which of the following is NOT true about low density and high density poly(ethene)?
  • A.   They are both produced from ethene
  • B.   High density poly(ethene) is a thermosetting polymer
  • C.   Low density poly(ethene) consists of branched chains
  • D.   They can both be melted and recycled

3. The table compares properties of Group 1 elements and transition elements.

Which row is correct?

  Property Group 1 Element Transition Element
A Melting Point high low
B Catalytic activity high  low
C Strength weak strong
D Hardness hard soft
4. Which of the following statements is NOT true?
  • A.   nickel is stronger than potassium
  • B.   iron reacts more vigorously with water than lithium
  • C.   chromium has a higher melting point than sodium
  • D.   sodium reacts more vigorously with oxygen than copper

5. The following statements relate to the extraction of metals:

I. Forms ions with different charges
II. Low density
III. Forms coloured compounds
 

Which are properties of a typical transition metal?

  • A.   I and II only
  • B.   I and III only
  • C.   II and III only
  • D.   I, II and III
6. Which of these metals has the lowest density?
  • A.   copper
  • B.   lithium
  • C.   manganese
  • D.   cobalt
7. Which of these materials can be most easily recycled?
  • A.   steel reinforced concrete
  • B.   a thermosetting polymer
  • C.   carbon fibre reinforced polymer
  • D.   a thermosoftening polymer

 

8. Iron rusts slowly in the presence of water. Name one other substance which MUST be present for iron to rust.

 

Rusting Bridge:Rikkerst Pixabay
  • A.   salt
  • B.   nitrogen
  • C.   oxygen
  • D.   carbon dioxide
9. Galvanising is one method used to prevent iron from rusting.

What metal is used to galvanise iron and how does the method work?

  Metal used  How method works
A tin  Tin is more reactive than iron so reacts instead
B tin Tin acts as a barrier to water
C zinc Zinc is more reactive than iron so reacts instead
D zinc Zinc acts as a barrier to water
10. Which method will not prevent an iron object from rusting?
  • A.   painting the object
  • B.   wrapping the object in a paper towel
  • C.   coating with object with grease
  • D.   electroplating the object with chromium