AQA GCSE 2020
CHEMISTRY
PAPER 1
QUESTION
PAPER(2020
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
H
Chemistry Paper 1H
Thursday 14 May 2020 Morning Time allowed: 1 hour 15 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a scientific calculator 1
• the periodic table (enclosed). 2
3
Instructions
• Use black ink or black ball-point pen. 4
• Pencil should only be used for drawing. 5
• Fill in the boxes at the top of this page.
6
• Answer all questions in the spaces provided.
• 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). TOTAL
• Do all rough work in this book. Cross through any work you do not want to be
marked.
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 70.
• 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.
*jun20 464c1H01*
IB/M/Jun20/E9 8464/C/1H
, 2
Do not write
outside the
This question is about the extraction of aluminium. box
0 1
0 1 .1 An aluminium atom is represented as:
27
13Al
Give the number of electrons and neutrons in the aluminium atom.
[2 marks]
Number of electrons
Number of neutrons
Aluminium is extracted by the electrolysis of a molten mixture of aluminium oxide
and cryolite.
Figure 1 shows the cell used for the electrolysis.
Figure 1
0 1 . 2 Aluminium is produced by the reduction of aluminium oxide (Al2O3).
What is meant by the term reduction?
[1 mark]
*02*
IB/M/Jun20/8464/C/1H
CHEMISTRY
PAPER 1
QUESTION
PAPER(2020
, Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signatu re
I declare this is my own work.
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
H
Chemistry Paper 1H
Thursday 14 May 2020 Morning Time allowed: 1 hour 15 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a scientific calculator 1
• the periodic table (enclosed). 2
3
Instructions
• Use black ink or black ball-point pen. 4
• Pencil should only be used for drawing. 5
• Fill in the boxes at the top of this page.
6
• Answer all questions in the spaces provided.
• 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). TOTAL
• Do all rough work in this book. Cross through any work you do not want to be
marked.
• In all calculations, show clearly how you work out your answer.
Information
• The maximum mark for this paper is 70.
• 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.
*jun20 464c1H01*
IB/M/Jun20/E9 8464/C/1H
, 2
Do not write
outside the
This question is about the extraction of aluminium. box
0 1
0 1 .1 An aluminium atom is represented as:
27
13Al
Give the number of electrons and neutrons in the aluminium atom.
[2 marks]
Number of electrons
Number of neutrons
Aluminium is extracted by the electrolysis of a molten mixture of aluminium oxide
and cryolite.
Figure 1 shows the cell used for the electrolysis.
Figure 1
0 1 . 2 Aluminium is produced by the reduction of aluminium oxide (Al2O3).
What is meant by the term reduction?
[1 mark]
*02*
IB/M/Jun20/8464/C/1H
