GCSE
Predicted
PAPER 2025
www.tyrions.com
Prepared by
Tyrion Papers
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Time 1 hour 45 minutes
Paper
reference 1CHO/1H
Chemistry 2025
Practice Paper
PAPER 1 (Higher Tier)
You must have: Total Marks
Calculator, ruler
Instructions
• Use black ink or ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
• Calculators may be used.
• You must showmayall NOT
Any diagrams be accurately drawn, unless otherwise indicated.
• at the end of your solution.
your working out with your answer clearly identified
Information
• The total mark for this paper is 100
• The marks for each question are shown in brackets
• In questions marked with an asterisk (*), marks will be awarded for your ability
– use this as a guide as to how much time to spend on each question.
to structure your answer logically, showing how the points that you make are
•
related or follow on from each other where appropriate.
There is a periodic table on the back cover of the paper.
Advice
• Read each question carefully before you start to answer it.
• Checkanswer
Try to every question.
• your answers if you have time at the end. Turn over
, 2
1 . 1 Copper is deposited at one of the electrodes during electrolysis.
c
1v. 1 . 1 Tick one box to indicate where copper is deposited:
c c c
v v v
c At the anode
vc At the cathode
vc At the surface of the electrolyte
cv At the bottom of the beaker
v
1 . 2 The students observed bubbles forming at one of the electrodes.
c c
1v. 2v. 1 Name the gas produced at this electrode and explain why it forms there. (2 marks)
c c c
v v v
1 . 3 The students found that 0.65 g of copper was deposited at the cathode during electrolysis.
c c
Calculate the number of moles of copper deposited, given that the relative atomic mass (Ar) of copper
v v
is 63.5. (2 marks)
1 . 4 State one safety precaution that should be taken during this experiment and explain its
c c
importance. (1 mark)
v v
6
AQA Chemistry 1H 2025 Predicted Question Paper
, 3
2 . 1 The reaction between calcium hydroxide and hydrochloric acid is shown below:
c c
v v 𝐶𝑎(𝑂𝐻)2 (𝑠) + 2𝐻𝐶𝑙(𝑎𝑞) → 𝐶𝑎𝐶𝑙2 (𝑎𝑞) + 2𝐻2 𝑂(𝑙)
Complete the word equation for this reaction:
Calcium hydroxide + Hydrochloric acid → __________ + __________ (2 marks)
2 . 2 The students used universal indicator paper to measure the pH of the mixture after each addition
c c
of calcium hydroxide.
v v
2 . 2 . 1 Name a piece of equipment that could be used to measure the volume of hydrochloric acid
c c c
more accurately than a measuring cylinder. (1 mark)
v v v
2 . 2 . 2 Explain why universal indicator paper is more suitable than litmus paper for this experiment. (2
c c c
marks)
v v v
AQA Chemistry 1H 2025 Predicted Question Paper
Predicted
PAPER 2025
www.tyrions.com
Prepared by
Tyrion Papers
, Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Time 1 hour 45 minutes
Paper
reference 1CHO/1H
Chemistry 2025
Practice Paper
PAPER 1 (Higher Tier)
You must have: Total Marks
Calculator, ruler
Instructions
• Use black ink or ball-point pen.
• Fill in the boxes at the top of this page with your name,
centre number and candidate number.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
• Calculators may be used.
• You must showmayall NOT
Any diagrams be accurately drawn, unless otherwise indicated.
• at the end of your solution.
your working out with your answer clearly identified
Information
• The total mark for this paper is 100
• The marks for each question are shown in brackets
• In questions marked with an asterisk (*), marks will be awarded for your ability
– use this as a guide as to how much time to spend on each question.
to structure your answer logically, showing how the points that you make are
•
related or follow on from each other where appropriate.
There is a periodic table on the back cover of the paper.
Advice
• Read each question carefully before you start to answer it.
• Checkanswer
Try to every question.
• your answers if you have time at the end. Turn over
, 2
1 . 1 Copper is deposited at one of the electrodes during electrolysis.
c
1v. 1 . 1 Tick one box to indicate where copper is deposited:
c c c
v v v
c At the anode
vc At the cathode
vc At the surface of the electrolyte
cv At the bottom of the beaker
v
1 . 2 The students observed bubbles forming at one of the electrodes.
c c
1v. 2v. 1 Name the gas produced at this electrode and explain why it forms there. (2 marks)
c c c
v v v
1 . 3 The students found that 0.65 g of copper was deposited at the cathode during electrolysis.
c c
Calculate the number of moles of copper deposited, given that the relative atomic mass (Ar) of copper
v v
is 63.5. (2 marks)
1 . 4 State one safety precaution that should be taken during this experiment and explain its
c c
importance. (1 mark)
v v
6
AQA Chemistry 1H 2025 Predicted Question Paper
, 3
2 . 1 The reaction between calcium hydroxide and hydrochloric acid is shown below:
c c
v v 𝐶𝑎(𝑂𝐻)2 (𝑠) + 2𝐻𝐶𝑙(𝑎𝑞) → 𝐶𝑎𝐶𝑙2 (𝑎𝑞) + 2𝐻2 𝑂(𝑙)
Complete the word equation for this reaction:
Calcium hydroxide + Hydrochloric acid → __________ + __________ (2 marks)
2 . 2 The students used universal indicator paper to measure the pH of the mixture after each addition
c c
of calcium hydroxide.
v v
2 . 2 . 1 Name a piece of equipment that could be used to measure the volume of hydrochloric acid
c c c
more accurately than a measuring cylinder. (1 mark)
v v v
2 . 2 . 2 Explain why universal indicator paper is more suitable than litmus paper for this experiment. (2
c c c
marks)
v v v
AQA Chemistry 1H 2025 Predicted Question Paper
