surname names
Number Number
Morning (Time: 1 hour 45 minutes) Paper
1CH0/1F
Chemistry
Marks
ruler
Pearson Edexcel Level 1/ Level 2 GCSE (9-1) Chemistry Paper 1 Foundation Tier Question
Paper May 2023
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
Any diagrams may NOT be accurately drawn, unless otherwise indicated.
must show all your working out with your answer clearly identified at the
end of your solution.
Information
•• The total mark for this paper is 100.
The marks for each question are shown in brackets
• Instructure
– use this as a guide as to how much time to spend on each question.
questions marked with an asterisk (*), marks will be awarded for your ability to
your answer logically, showing how the points that you make are related or
• There is a periodic table on the back cover of the paper.
follow on from each other where appropriate.
Advice
• Read each question carefully before you start to answer it.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over
P72630A
©2023 Pearson Education Ltd.
N:1/1/1/1/1/1/
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
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BLANK PAGE
2
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 In an experiment, paper chromatography was used to separate the coloured dyes in
four different inks, W, X, Y and Z.
(a) Figure 1 shows the chromatogram at the end of the experiment.
solvent front
start line
DO NOT WRITE IN THIS AREA
W X Y Z
Figure 1
(i) The chromatogram shows that only one of the inks contains a single dye.
Which ink contains a single dye?
(1)
A W
B X
C Y
D Z
DO NOT WRITE IN THIS AREA
(ii) Which ink contains the greatest number of dyes?
(1)
A W
B X
C Y
D Z
3
■■■■ Turn over
, (iii) The Rf value of a dye can be calculated using the equation
distance moved by the dye
DO NOT WRITE IN THIS AREA
Rf =
distance moved by solvent front
At the end of the chromatography one dye had moved 3.60 cm and the
solvent front had moved 9.20 cm.
Calculate the Rf value for this dye.
Give your answer to 2 decimal places.
(2)
. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
Rf = ..............................................................
DO NOT WRITE IN THIS AREA
DO NOT WRITE IN THIS AREA
4
■■■■
Number Number
Morning (Time: 1 hour 45 minutes) Paper
1CH0/1F
Chemistry
Marks
ruler
Pearson Edexcel Level 1/ Level 2 GCSE (9-1) Chemistry Paper 1 Foundation Tier Question
Paper May 2023
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
Any diagrams may NOT be accurately drawn, unless otherwise indicated.
must show all your working out with your answer clearly identified at the
end of your solution.
Information
•• The total mark for this paper is 100.
The marks for each question are shown in brackets
• Instructure
– use this as a guide as to how much time to spend on each question.
questions marked with an asterisk (*), marks will be awarded for your ability to
your answer logically, showing how the points that you make are related or
• There is a periodic table on the back cover of the paper.
follow on from each other where appropriate.
Advice
• Read each question carefully before you start to answer it.
•• Try to answer every question.
Check your answers if you have time at the end.
Turn over
P72630A
©2023 Pearson Education Ltd.
N:1/1/1/1/1/1/
,DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
■■■■
BLANK PAGE
2
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box . If you change your mind about an
DO NOT WRITE IN THIS AREA
answer, put a line through the box and then mark your new answer with a cross .
1 In an experiment, paper chromatography was used to separate the coloured dyes in
four different inks, W, X, Y and Z.
(a) Figure 1 shows the chromatogram at the end of the experiment.
solvent front
start line
DO NOT WRITE IN THIS AREA
W X Y Z
Figure 1
(i) The chromatogram shows that only one of the inks contains a single dye.
Which ink contains a single dye?
(1)
A W
B X
C Y
D Z
DO NOT WRITE IN THIS AREA
(ii) Which ink contains the greatest number of dyes?
(1)
A W
B X
C Y
D Z
3
■■■■ Turn over
, (iii) The Rf value of a dye can be calculated using the equation
distance moved by the dye
DO NOT WRITE IN THIS AREA
Rf =
distance moved by solvent front
At the end of the chromatography one dye had moved 3.60 cm and the
solvent front had moved 9.20 cm.
Calculate the Rf value for this dye.
Give your answer to 2 decimal places.
(2)
. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
Rf = ..............................................................
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4
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