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AQA GCSE CHEMISTRY Higher Tier Paper 2 QP 2023
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AQA GCSE CHEMISTRY Higher Tier Paper 2 QP 2023
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GCSE CHEMISTRY H
Higher Tier Paper 2 AQA GCSE CHEMISTRY Higher Tier Paper 2 QP 2023
Tuesday 13 June 2023 Morning Time allowed: 1 hour 45 minutes
, 2
0 1 Do not write outside the
box
Materials
For this paper you must have: For Examiner’s Use
• a ruler
• a scientific calculator
• the periodic table (enclosed). Question Mark
1
Instructions
• Use black ink or black ball-point pen.
2
• Pencil should only be used for drawing.
• Fill in the boxes at the top of this page.
• Answer all questions in the spaces provided. Do not write outside the box around 3
each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of this 4
book. Write the question number against your answer(s).
• Do all rough work in this book. Cross through any work you do not want to be 5
marked.
• In all calculations, show clearly how you work out your answer.
6
Information
• The maximum mark for this paper is 100. 7
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate. 8
• You are reminded of the need for good English and clear presentation in your
answers. 9
10
TOTAL
*JUN2384622H01* IB/M/Jun23/E12 8462/2H
IB/M/Jun23/8462/2H
, 3
Do not write outside the box
0 1
A student investigated the rate of the reaction between zinc and sulfuric acid.
Hydrogen gas is produced during this reaction.
Figure 1 shows the apparatus.
Figure 1
This is the method used.
1. Add 50 cm3 of sulfuric acid to a conical flask.
2. Add 2.0 g of zinc to the conical flask.
3. Quickly put a stopper in the conical flask and start a timer.
4. Measure the time taken to collect 20 cm3 of gas.
5. Repeat steps 1 to 4 three more times.
0 1 . 1 Suggest why the stopper must be put in the conical flask as quickly as possible in
step 3.
[1 mark]
Turn over ►
IB/M/Jun23/8462/2H
, 4
0 1 Do not write outside the
box
*02*
Trial 1 Trial 2 Trial 3 Trial 4
Rate of reaction in cm3/s 0.78 0.81 0.68 0.81
IB/M/Jun23/8462/2H
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