Surname names
Number Number
Edexcel
Chemistry
Higher Tier
Reference
Time: 1 hour 45 minutes 1CH0/1H
You must have: Marks
ruler
Instructions
• Use black ink or ball-point pen.
• centrethenumber
Fill in boxes at the top of this page with your name,
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.
Any diagrams may NOT be accurately drawn, unless otherwise indicated.
• You 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
– use this as a guide as to how much time to spend on each question.
• Inability
questions marked with an asterisk (*), marks will be awarded for your
to structure your answer logically showing how the points that you
make are related or 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
S50046A
©2016 Pearson Education Ltd.
Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Chemistry – Sample Assessment Materials – Issue 1 – March 2016 © 91
Pearson Education Limited 2016
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box .
DO NOT WRITE IN THIS AREA
If you change your mind about an answer, put a line through the box and then
mark your new answer with a cross .
1 Mixtures of coloured substances can be separated by paper chromatography.
(a) Paper chromatography was used to separate a mixture of blue and red inks.
A spot of the mixture was placed on chromatography paper as shown in Figure 1.
mixture of inks
DO NOT WRITE IN THIS AREA
start line
Figure 1
(i) Give a reason why the start line is drawn in pencil rather than in ink.
(1)
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
DO NOT WRITE IN THIS AREA
92 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Chemistry – Sample Assessment Materials – Issue 1 – March 2016 ©
Pearson Education Limited 2016
, (ii) The chromatography paper, with the spot of mixture on it, was placed in a
beaker with the bottom of the paper in water.
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On Figure 2, complete the diagram showing the position of the
chromatography paper with the spot of mixture at the start of the experiment.
(1)
water
Figure 2
(iii) The chromatography was carried out and the result is shown in Figure 3.
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solvent front
blue spot
X cm
red spot
Figure 3
The blue spot had moved 14.5 cm and the solvent front had moved 15.3 cm.
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Calculate the Rf value of the substance in the blue spot, giving your answer to
2 significant figures.
distance travelled by a dye
Rf value =
distance travelled by solvent front
(2)
Rf value = ..............................................................
Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Chemistry – Sample Assessment Materials – Issue 1 – March 2016 © 93
Pearson Education Limited 2016
, (b) P, Q, R and S are mixtures of food colourings.
They are investigated using paper chromatography.
Figure 4 shows the chromatogram at the end of the experiment.
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P Q R S
Figure 4
(i) Which mixture contains an insoluble food colouring?
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(1)
A mixture P
B mixture Q
C mixture R
D mixture S
(ii) Give a change that could be made to the experiment to obtain an Rf value for
the insoluble colouring.
(1)
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
(iii) Explain, by referring to Figure 4, which mixture is separated into the greatest
number of soluble food colourings by this chromatography experiment.
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(2)
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
(Total for Question 1 = 8 marks)
94 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Chemistry – Sample Assessment Materials – Issue 1 – March 2016 ©
Pearson Education Limited 2016
Number Number
Edexcel
Chemistry
Higher Tier
Reference
Time: 1 hour 45 minutes 1CH0/1H
You must have: Marks
ruler
Instructions
• Use black ink or ball-point pen.
• centrethenumber
Fill in boxes at the top of this page with your name,
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.
Any diagrams may NOT be accurately drawn, unless otherwise indicated.
• You 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
– use this as a guide as to how much time to spend on each question.
• Inability
questions marked with an asterisk (*), marks will be awarded for your
to structure your answer logically showing how the points that you
make are related or 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
S50046A
©2016 Pearson Education Ltd.
Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Chemistry – Sample Assessment Materials – Issue 1 – March 2016 © 91
Pearson Education Limited 2016
, Answer ALL questions. Write your answers in the spaces provided.
Some questions must be answered with a cross in a box .
DO NOT WRITE IN THIS AREA
If you change your mind about an answer, put a line through the box and then
mark your new answer with a cross .
1 Mixtures of coloured substances can be separated by paper chromatography.
(a) Paper chromatography was used to separate a mixture of blue and red inks.
A spot of the mixture was placed on chromatography paper as shown in Figure 1.
mixture of inks
DO NOT WRITE IN THIS AREA
start line
Figure 1
(i) Give a reason why the start line is drawn in pencil rather than in ink.
(1)
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
DO NOT WRITE IN THIS AREA
92 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Chemistry – Sample Assessment Materials – Issue 1 – March 2016 ©
Pearson Education Limited 2016
, (ii) The chromatography paper, with the spot of mixture on it, was placed in a
beaker with the bottom of the paper in water.
DO NOT WRITE IN THIS AREA
On Figure 2, complete the diagram showing the position of the
chromatography paper with the spot of mixture at the start of the experiment.
(1)
water
Figure 2
(iii) The chromatography was carried out and the result is shown in Figure 3.
DO NOT WRITE IN THIS AREA
solvent front
blue spot
X cm
red spot
Figure 3
The blue spot had moved 14.5 cm and the solvent front had moved 15.3 cm.
DO NOT WRITE IN THIS AREA
Calculate the Rf value of the substance in the blue spot, giving your answer to
2 significant figures.
distance travelled by a dye
Rf value =
distance travelled by solvent front
(2)
Rf value = ..............................................................
Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Chemistry – Sample Assessment Materials – Issue 1 – March 2016 © 93
Pearson Education Limited 2016
, (b) P, Q, R and S are mixtures of food colourings.
They are investigated using paper chromatography.
Figure 4 shows the chromatogram at the end of the experiment.
DO NOT WRITE IN THIS AREA
P Q R S
Figure 4
(i) Which mixture contains an insoluble food colouring?
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(1)
A mixture P
B mixture Q
C mixture R
D mixture S
(ii) Give a change that could be made to the experiment to obtain an Rf value for
the insoluble colouring.
(1)
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
(iii) Explain, by referring to Figure 4, which mixture is separated into the greatest
number of soluble food colourings by this chromatography experiment.
DO NOT WRITE IN THIS AREA
(2)
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
.. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . .. . . ......................
(Total for Question 1 = 8 marks)
94 Pearson Edexcel Level 1/Level 2 GCSE (9-1) in Chemistry – Sample Assessment Materials – Issue 1 – March 2016 ©
Pearson Education Limited 2016
