AQA GCSE COMBINED SCIENCES 8464/C/1H TRILOGY HIGHER
TIER CHEMISTRY PAPER 1 EXAM QUESTION PAPER
(AUTHENTIC MARKINGG SCHEME ATTACHED)
H
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
Chemistry Paper
1H
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.
7
If you need extra space for your answer(s), use the lined pages at
the end of this book. Write the question number against your TOTAL
answer(s).
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.
IB/M/Jun22/E10 8464/C/1H
, 2
Do not write
outside the
There are no questions printed on this page box
DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
IB/M/Jun22/8464/C/
1H
, 3
Do not write
outside the
0 1 This question is about salts. box
Green copper carbonate and sulfuric acid can be used to
produce blue copper sulfate crystals.
0 1 Excess copper carbonate is added to sulfuric acid.
. 1
Give three observations you would make.
[3 marks]
1
2
3
0 1 . 2 How can the excess copper carbonate be removed?
[1 mark]
0 1 . 3 The pH of the solution changes during the reaction.
What is the pH of the solution at the end of the reaction?
[1 mark]
pH =
0 1 . 4 Copper carbonate and sulfuric acid react to produce copper sulfate.
What type of reaction is this?
[1 mark]
Turn over ►
IB/M/Jun22/8464/C/
1H
, 4
Do not write
outside the
0 1 . 5 Ammonium nitrate is a salt. box
Figure 1 shows the maximum mass of ammonium nitrate that can
dissolve in 100 cm3 of water at different temperatures.
Figure 1
IB/M/Jun22/8464/C/
1H
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