AQA GCSE CHEMISTRY 8462/2H HIGHER TIER PAPER 2
EXAMINATION QUESTION PAPER
(AUTHENTIC MARKING SCHEME ATTACHED)
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 Questio Mark
the periodic table (enclosed). n
1
Instructions 2
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.
Answer all questions in the spaces provided. Do not write 5
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
7
the end of 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 TOTAL
to be marked.
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.
*jUN22 4622H01*
IB/M/Jun22/E9
8462/2H
, 2
Do not write
outside the
0 1 This question is about copper wire and copper compounds. bo
x
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
Copper can be obtained by recycling scrap outside the
box
copper wire.
0 1 .2 Suggest why poly(butene) insulation must be removed from scrap copper
wire before the copper is recycled.
[1 mark]
0. 1 3Describe 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
, 4
Do not write
Copper sulfate is a compound of copper. outside the
box
Copper sulfate solution contains copper(II) ions and
sulfate ions.
0 1
.5 A solution can be added to copper sulfate solution to show the
presence of copper(II) ions.
Name the solution
added. Give the result
of the test.
[2 marks]
Name of solution added
Result
0 1
.6 Describe one test to show the presence of sulfate ions in copper
sulfate solution. Give the result of the test.
[2 marks]
Test
Result
11
*04
IB/M/
* Jun22/8462/2H
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