OCR GCSE
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
INTERNATIONAL GCSE
CHEMISTRY
Paper 1
Thursday 15 May 2025 07:00 GMT Time allowed: 1 hour 30 minutes
Materials For Examiner’s Use
For this paper you must have:
• a pencil and a ruler Question Mark
• a scientific calculator • the periodic table (enclosed).
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing.
• Fill in the boxes at the top of this page. 4
• Answer all questions. 5
• You must answer the questions in the spaces provided. Do not write outside
6
the box around each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
8
• Do all rough work in this book. Cross through any work you do not want
to be marked. TOTAL
• Show all your working.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 90.
• You are expected to use a scientific calculator where appropriate.
• A periodic table is provided as a loose insert.
.
, .2
Do not
write
outside the
box
.
, 3
Do not
write
outside the
box
There are no questions printed on this page
DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
Turn over ►
, .4
Do not
write
outside the
box
*02*
Answer all questions in the spaces provided.
This question is about alcohols and carboxylic acids.
0 1
Ethanol is an alcohol.
.
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
INTERNATIONAL GCSE
CHEMISTRY
Paper 1
Thursday 15 May 2025 07:00 GMT Time allowed: 1 hour 30 minutes
Materials For Examiner’s Use
For this paper you must have:
• a pencil and a ruler Question Mark
• a scientific calculator • the periodic table (enclosed).
1
Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing.
• Fill in the boxes at the top of this page. 4
• Answer all questions. 5
• You must answer the questions in the spaces provided. Do not write outside
6
the box around each page or on blank pages.
• If you need extra space for your answer(s), use the lined pages at the end of 7
this book. Write the question number against your answer(s).
8
• Do all rough work in this book. Cross through any work you do not want
to be marked. TOTAL
• Show all your working.
Information
• The marks for questions are shown in brackets.
• The maximum mark for this paper is 90.
• You are expected to use a scientific calculator where appropriate.
• A periodic table is provided as a loose insert.
.
, .2
Do not
write
outside the
box
.
, 3
Do not
write
outside the
box
There are no questions printed on this page
DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
Turn over ►
, .4
Do not
write
outside the
box
*02*
Answer all questions in the spaces provided.
This question is about alcohols and carboxylic acids.
0 1
Ethanol is an alcohol.
.
