AQA
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
H
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
Chemistry Paper
1H
Monday 22 May 2023 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.
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 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.
1
, 8464/C/1H
2
, 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/Jun23/8464/C/1H
, 3
Do not write
outside the
0 1 This question is about carbon dioxide. box
Carbon dioxide is soluble in water and forms an acidic solution.
0 1
. 1 Which ion makes the solution acidic?
[1 mark]
0 1 . 2 Name an indicator that could be used to test if the solution is acidic.
Give the result of the test.
[2 marks]
Indicator
Result
Question 1 continues on the next page
Turn over ►
IB/M/Jun23/8464/C/1H
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
H
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
Chemistry Paper
1H
Monday 22 May 2023 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.
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 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.
1
, 8464/C/1H
2
, 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/Jun23/8464/C/1H
, 3
Do not write
outside the
0 1 This question is about carbon dioxide. box
Carbon dioxide is soluble in water and forms an acidic solution.
0 1
. 1 Which ion makes the solution acidic?
[1 mark]
0 1 . 2 Name an indicator that could be used to test if the solution is acidic.
Give the result of the test.
[2 marks]
Indicator
Result
Question 1 continues on the next page
Turn over ►
IB/M/Jun23/8464/C/1H
