AQA
GCSE
CHEMISTRY
8462/2H
Paper 2 Higher Tier
Question Paper + Mark scheme [MERGED]
June 2022
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
H
GCSE
CHEMISTRY
Higher Tier Paper 2
Time allowed: 1 hour 45 minutes
Materials
For this paper you must have: For Examiner’s Use
• a ruler
• a scientific calculator Question Mark
• the periodic table (enclosed). 1
2
Instructions
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 6
• If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
8
• Do all rough work in this book. Cross through any work you do not want
to be marked. TOTAL
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 100.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation
in your answers.
*jUN2284622H01*
IB/M/Jun22/E9 8462/2H
, 2
Do not write
outside the
0 1 This question is about copper wire and copper compounds. box
Copper is used to make electrical wires.
Figure 1 shows how copper electrical wire is insulated using an addition polymer
called poly(butene).
Figure 1
0 1 . 1 The addition polymer poly(butene) has the displayed structural formula:
Poly(butene) is produced from the monomer butene.
Complete Figure 2 to show the displayed structural formula of butene.
[2 marks]
Figure 2
*02*
IB/M/Jun22/8462/2H
, 3
Do not write
outside the
Copper can be obtained by recycling scrap copper wire. box
0 1 . 2 Suggest why poly(butene) insulation must be removed from scrap copper wire before
the copper is recycled.
[1 mark]
0 1 . 3 Describe how scrap copper wire can be recycled to make new copper water pipes.
[2 marks]
0 1 . 4 Suggest two reasons why recycling scrap copper is more sustainable than extracting
copper from copper ores.
[2 marks]
1
2
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun22/8462/2H
GCSE
CHEMISTRY
8462/2H
Paper 2 Higher Tier
Question Paper + Mark scheme [MERGED]
June 2022
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
H
GCSE
CHEMISTRY
Higher Tier Paper 2
Time allowed: 1 hour 45 minutes
Materials
For this paper you must have: For Examiner’s Use
• a ruler
• a scientific calculator Question Mark
• the periodic table (enclosed). 1
2
Instructions
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions in the spaces provided. Do not write outside
the box around each page or on blank pages. 6
• If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
8
• Do all rough work in this book. Cross through any work you do not want
to be marked. TOTAL
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 100.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation
in your answers.
*jUN2284622H01*
IB/M/Jun22/E9 8462/2H
, 2
Do not write
outside the
0 1 This question is about copper wire and copper compounds. box
Copper is used to make electrical wires.
Figure 1 shows how copper electrical wire is insulated using an addition polymer
called poly(butene).
Figure 1
0 1 . 1 The addition polymer poly(butene) has the displayed structural formula:
Poly(butene) is produced from the monomer butene.
Complete Figure 2 to show the displayed structural formula of butene.
[2 marks]
Figure 2
*02*
IB/M/Jun22/8462/2H
, 3
Do not write
outside the
Copper can be obtained by recycling scrap copper wire. box
0 1 . 2 Suggest why poly(butene) insulation must be removed from scrap copper wire before
the copper is recycled.
[1 mark]
0 1 . 3 Describe how scrap copper wire can be recycled to make new copper water pipes.
[2 marks]
0 1 . 4 Suggest two reasons why recycling scrap copper is more sustainable than extracting
copper from copper ores.
[2 marks]
1
2
Question 1 continues on the next page
Turn over ►
*03*
IB/M/Jun22/8462/2H
