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AQA GCSE CHEMISTRY HIGHER TIER PAPER 1 QP 2021
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AQA GCSE CHEMISTRY HIGHER TIER PAPER 1QP 2021
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 1
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. 9
• In all calculations, show clearly how you work out your answer. TOTAL
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.
*Jun2184621H01*
IB/M/Jun21/E16 8462/1H
, 2
Do not write
outside the
0 1 This question is about carbon and its compounds. box
Fullerenes are molecules of carbon atoms.
The first fullerene to be discovered was Buckminsterfullerene (C60).
0 1 . 1 What shape is a Buckminsterfullerene molecule?
[1 mark]
0 1 . 2 Give one use of a fullerene.
[1 mark]
Propanone is a compound of carbon, hydrogen and oxygen.
Figure 1 shows the dot and cross diagram for a propanone molecule.
Figure 1
*02*
IB/M/Jun21/8462/1H
, 3
Do not write
outside the
0 1 . 3 Complete Figure 2 to show a propanone molecule. box
Use a line to represent each single bond.
Use Figure 1.
[1 mark]
Figure 2
0 1 . 4 Determine the molecular formula of propanone.
Use Figure 1.
[1 mark]
Molecular formula =
0 1 . 5 Propanone is a liquid with a low boiling point.
Why does propanone have a low boiling point?
[1 mark]
Tick () one box.
The covalent bonds are strong.
The covalent bonds are weak.
The intermolecular forces are strong.
The intermolecular forces are weak.
Turn over ►
*03*
IB/M/Jun21/8462/1H
, 4
Do not write
outside the
0 1 . 6 Figure 3 represents the structure of graphite. box
Figure 3
Explain why graphite is:
• a good electrical conductor
• soft and slippery.
You should answer in terms of structure and bonding.
[6 marks]
11
*04*
IB/M/Jun21/8462/1H
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