AQA GCSE COMBINED SCIENCE: TRILOGY Higher Tier Chemistry Paper
(8464/C/1H) Combined Question Paper and Mark Scheme
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
H
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
Chemistry Paper 1H
Materials For Examiner’s Use
For this paper you must have:
Question Mark
• a ruler
• a scientific calculator 1
• the periodic table (enclosed). 2
3
Instructions
• 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. 6
• Answer all questions in the spaces provided.
7
• 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). TOTAL
• 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.
, 3
Do not write
outside the
0 1 A teacher demonstrated the electrolysis of copper chloride solution. box
Figure 1 shows the apparatus.
Figure 1
The teacher measured the mass of the negative electrode every 60 seconds.
0 1 . 1 Chlorine gas is given off during the electrolysis of copper chloride solution.
Chlorine gas is poisonous.
Give one way of reducing the risk of harm.
[1 mark]
Question 1 continues on the next page
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IB/M/Jun25/8464/C/1H
, 4
Do not write
outside the
Table 1 shows the results. box
Table 1
Time Mass of negative
in seconds electrode in grams
0 20.2
60 22.0
120 23.4
180 24.2
240 24.8
300 25.2
360 25.2
0 1 . 2 Plot the data from Table 1 on Figure 2.
Draw a line of best fit.
The first point has been plotted for you.
[3 marks]
Figure 2
IB/M/Jun25/8464/C/1H
, 5
Do not write
outside the
0 1 . 3 A student made the hypothesis: box
‘The negative electrode will increase by a constant mass every 60 seconds.’
How do the results in Table 1 show that the hypothesis is not correct?
[1 mark]
0 1 . 4 25 cm3 of the solution of copper chloride contained 5.5 g of copper chloride.
Calculate the concentration of the solution in g/dm3.
1 dm3 = 1000 cm3
[3 marks]
Concentration = ________________________ g/dm3
Question 1 continues on the next page
Turn over ►
IB/M/Jun25/8464/C/1H
(8464/C/1H) Combined Question Paper and Mark Scheme
Please write clearly in block capitals.
Centre number Candidate number
Surname
Forename(s)
Candidate signature
I declare this is my own work.
H
GCSE
COMBINED SCIENCE: TRILOGY
Higher Tier
Chemistry Paper 1H
Materials For Examiner’s Use
For this paper you must have:
Question Mark
• a ruler
• a scientific calculator 1
• the periodic table (enclosed). 2
3
Instructions
• 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. 6
• Answer all questions in the spaces provided.
7
• 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). TOTAL
• 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.
, 3
Do not write
outside the
0 1 A teacher demonstrated the electrolysis of copper chloride solution. box
Figure 1 shows the apparatus.
Figure 1
The teacher measured the mass of the negative electrode every 60 seconds.
0 1 . 1 Chlorine gas is given off during the electrolysis of copper chloride solution.
Chlorine gas is poisonous.
Give one way of reducing the risk of harm.
[1 mark]
Question 1 continues on the next page
Turn over ►
IB/M/Jun25/8464/C/1H
, 4
Do not write
outside the
Table 1 shows the results. box
Table 1
Time Mass of negative
in seconds electrode in grams
0 20.2
60 22.0
120 23.4
180 24.2
240 24.8
300 25.2
360 25.2
0 1 . 2 Plot the data from Table 1 on Figure 2.
Draw a line of best fit.
The first point has been plotted for you.
[3 marks]
Figure 2
IB/M/Jun25/8464/C/1H
, 5
Do not write
outside the
0 1 . 3 A student made the hypothesis: box
‘The negative electrode will increase by a constant mass every 60 seconds.’
How do the results in Table 1 show that the hypothesis is not correct?
[1 mark]
0 1 . 4 25 cm3 of the solution of copper chloride contained 5.5 g of copper chloride.
Calculate the concentration of the solution in g/dm3.
1 dm3 = 1000 cm3
[3 marks]
Concentration = ________________________ g/dm3
Question 1 continues on the next page
Turn over ►
IB/M/Jun25/8464/C/1H
