GCSE COMBINED SCIENCE:
8464/C/2H TRILOGY ACTUAL 2025
PAPER MERGED WITH MARK
SCHEMEH
, 1
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GCSE
COMBINED SCIENCE: 8464/C/2H
TRILOGY ACTUAL 2025 PAPER
MERGED WITH MARK SCHEME H
Higher Tier
Chemistry Paper 2H
Please write clearly in block capitals.
Candidate number
Centre number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
IB/M/Jun25/8464/C/2H
, 2
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box
COMBINED SCIENCE: TRILOGY
Higher Tier
H
Chemistry Paper 2H
Friday 13 June 2025 Morning Time allowed: 1 hour 15 minutes
Materials For Examiner’s Use
For this paper you must have:
Question Mark
• a ruler
• 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.
• Fill in the boxes at the top of this page. 5
• Answer all questions in the spaces provided.
6
• 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 TOTAL
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.
*JUN258464C2H01* 8464/C/2H
IB/M/Jun25/G4007/E7
0 1 Dodecane is an alkane.
Turn over ►
0 1
IB/M/Jun25/8464/C/2H
, 3
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.1 The general formula for alkanes is CnH2n+2
A molecule of dodecane has 12 carbon atoms.
Complete the formula of dodecane.
[1 mark]
C H
A student investigated the effect of changing the temperature on the viscosity of dodecane.
Figure 1 shows the apparatus.
Figure 1
IB/M/Jun25/8464/C/2H
8464/C/2H TRILOGY ACTUAL 2025
PAPER MERGED WITH MARK
SCHEMEH
, 1
Do not
write
outside the
box
GCSE
COMBINED SCIENCE: 8464/C/2H
TRILOGY ACTUAL 2025 PAPER
MERGED WITH MARK SCHEME H
Higher Tier
Chemistry Paper 2H
Please write clearly in block capitals.
Candidate number
Centre number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
GCSE
IB/M/Jun25/8464/C/2H
, 2
Do not write outside the
box
COMBINED SCIENCE: TRILOGY
Higher Tier
H
Chemistry Paper 2H
Friday 13 June 2025 Morning Time allowed: 1 hour 15 minutes
Materials For Examiner’s Use
For this paper you must have:
Question Mark
• a ruler
• 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.
• Fill in the boxes at the top of this page. 5
• Answer all questions in the spaces provided.
6
• 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 TOTAL
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.
*JUN258464C2H01* 8464/C/2H
IB/M/Jun25/G4007/E7
0 1 Dodecane is an alkane.
Turn over ►
0 1
IB/M/Jun25/8464/C/2H
, 3
Do not
write
outside the
box
.1 The general formula for alkanes is CnH2n+2
A molecule of dodecane has 12 carbon atoms.
Complete the formula of dodecane.
[1 mark]
C H
A student investigated the effect of changing the temperature on the viscosity of dodecane.
Figure 1 shows the apparatus.
Figure 1
IB/M/Jun25/8464/C/2H
