Question Paper & Mark Scheme (Merged) June 2025
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GCSE
CHEMISTRY
Foundation Tier Paper 1
F
Monday 19 May 2025 Morning Time allowed: 1 hour 45 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
Instructions 3
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.
Answer all questions in the spaces provided. Do not write outside 6
the box around each page or on blank pages. 7
If you need extra space for your answer(s), use the lined pages at the end of 8
this book. Write the question number against your answer(s).
9
Do all rough work in this book. Cross through any work you do not want
to be marked. 10
TOTAL
Information
The maximum mark for this paper is 100.
The marks for questions are shown in brackets.
You are expected to use a calculator where appropriate.
In all calculations, show clearly how you work out your answer.
You are reminded of the need for good English and clear presentation
in your answers.
IB/M/Jun25/G4007/E11 8462/1F
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0 1 This question is about elements and compounds.
0 1 . 1 What is the name of the compound with the formula ZnBr2?
Use the periodic table.
[1 mark]
Tick () one box.
Zinc bromide
Zinc chloride
Zinc iodide
0 1 . 2 A compound has the formula C2H6O
Table 1 shows information about a molecule of C2H6O
Table 1
Number of atoms of the
Symbol of element Name of element element in a molecule
of C2H6O
C 2
H Hydrogen
Oxygen 1
Complete Table 1.
Use the periodic table.
[3 marks]
IB/M/Jun25/8462/1F
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0 1 . 3 Potassium and sulfur react to produce potassium sulfide.
Write the word equation for this reaction.
[1 mark]
+ ⟶
0 1 . 4 Aluminium reacts with fluorine to produce aluminium fluoride.
Balance the equation for this reaction.
[2 marks]
Al + F2 ⟶ 2 AlF3 7
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IB/M/Jun25/8462/1F
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ANSWER IN THE SPACES PROVIDED
IB/M/Jun25/8462/1F