Candidate signature
I declare this is my own work.
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
H
Chemistry Paper 1H
Monday 22 May 2023 MorningTime allowed: 1 hour 15 minutes
2023 AQA GCSE COMBINED SCIENCE: TRILOGY 8464/C/1H Chemistry
For Examiner’s Use
Paper 1H Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]
Materials Question Mark
For this paper you must have: 1
• a ruler
2
• a scientific calculator
• the periodic table (enclosed). 3
4
Instructions 5
• Use black ink or black ball-point pen.
6
• Pencil should only be used for drawing.
• Fill in the boxes at the top of this page. 7
• Answer all questions in the spaces provided.
TOTAL
• 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).
• 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.
*JUN238464C1H01*
, 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
*02*
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 . 1Which 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 ►
*03*
IB/M/Jun23/8464/C/1H
, 4
Do not write
outside the
3
Figure 1 shows the mass of carbon dioxide that will dissolve in 1 dm box
of water at different temperatures.
Figure 1
0 1 . 3 How does the solubility of carbon dioxide change as the temperature of
the water increases?
[1 mark]
✓
Tick ( ) one box.
The solubility decreases
The solubility does not change
The solubility increases
*04*
IB/M/Jun23/8464/C/1H
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Freemann. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £7.16. You're not tied to anything after your purchase.
