Exam (elaborations)
AQA GCSE CHEMISTRY Higher Tier Paper 1 QP 2021
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AQA GCSE CHEMISTRY Higher Tier Paper 1 QP 2021
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GCSE
CHEMISTRY
Higher Tier Paper 1
H
Monday 1 Nov 2021 Morning Time allowed: 1 hour 45 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a calculator
1
• the periodic table (enclosed).
2
Instructions 3
• Use black ink or black ball-point pen.
4
• Pencil should only be used for drawing.
• Fill in the boxes at the top of this page. 5
• Answer all questions in the spaces provided. Do not write outside 6
the box around each page or on blank pages. 7
• If you need extra space for your answer(s), use the lined pages at the end of
8
this book. Write the question number against your answer(s).
• Do all rough work in this book. Cross through any work you do not want 9
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.
, 2
Do not write
outside the
0 1 This question is about structure and bonding. box
0 1 . 1 Which two substances have intermolecular forces between particles?
[2 marks]
Tick (✓) two boxes.
Diamond
Magnesium
Poly(ethene)
Sodium chloride
Water
0 1 . 2 Table 1 shows the structures of three compounds.
Table 1 Diagrams not to scale
Compound Structure
Carbon dioxide
Magnesium oxide
Silicon dioxide
, 3
Do not write
outside the
Compare the structure and bonding of the three compounds: box
• carbon dioxide
• magnesium oxide
• silicon dioxide.
[6 marks]
8
Turn over for the next question
Turn over ►
, 4
Do not write
outside the
0 2 This question is about metals and the reactivity series. box
0 2 . 1 Which two statements are properties of most transition metals?
[2 marks]
Tick (✓) two boxes.
They are soft metals.
They form colourless compounds.
They form ions with different charges.
They have high melting points.
They have low densities.
0 2 . 2 A student added copper metal to colourless silver nitrate solution.
The student observed:
• pale grey crystals forming
• the solution turning blue.
Explain how these observations show that silver is less reactive than copper.
[3 marks]
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