Please check the examination details below before entering your candidate information
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Friday 17 May 2024
Morning (Time: 1 hour 45 minutes) Paper
reference 1CH0/1H
Chemistry
PAPER 1
Higher Tier
You must have: Total Marks
Calculator, ruler, Periodic Table (enclosed)
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.
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.
• structure
In 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
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
P74423A
, 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 (a) Chemical cells produce a voltage.
A chemical cell can be made by placing the metals copper and iron in a beaker of
sodium chloride solution as shown in Figure 1.
V
copper iron
sodium chloride
solution
Figure 1
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Describe what will happen to the reading on the voltmeter over a long period
of time.
(2)
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............... ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............... ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............... ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............... ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
(b) Iron is a transition metal.
Which of the following is most likely to be a property of iron?
(1)
A iron forms a colourless oxide
B iron is a poor conductor of heat
C iron has a low boiling point
D iron has a high density
2
, (c) An iron atom has a diameter of 2.52 × 10–10 m.
What is the size of this iron atom in nanometres?
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(1)
A 2.52
B 0.252
C 0.0252
D 0.00252
(d) Figure 2 shows the arrangement of atoms in three different alloys of copper and
zinc, A, B and C.
Alloy A Alloy B Alloy C
Key:
zinc atom copper atom
Figure 2
Explain which of the three alloys, A, B and C, is the strongest.
DO NOT WRITE IN THIS AREA
(2)
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
(Total for Question 1 = 6 marks)
3
Turn over
Candidate surname Other names
Centre Number Candidate Number
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Friday 17 May 2024
Morning (Time: 1 hour 45 minutes) Paper
reference 1CH0/1H
Chemistry
PAPER 1
Higher Tier
You must have: Total Marks
Calculator, ruler, Periodic Table (enclosed)
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.
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.
• structure
In 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
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
P74423A
, 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 (a) Chemical cells produce a voltage.
A chemical cell can be made by placing the metals copper and iron in a beaker of
sodium chloride solution as shown in Figure 1.
V
copper iron
sodium chloride
solution
Figure 1
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
Describe what will happen to the reading on the voltmeter over a long period
of time.
(2)
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............... ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............... ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............... ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............... ............................................................................................................................................ . . . . . . . . . . . . . . . . . . . .
(b) Iron is a transition metal.
Which of the following is most likely to be a property of iron?
(1)
A iron forms a colourless oxide
B iron is a poor conductor of heat
C iron has a low boiling point
D iron has a high density
2
, (c) An iron atom has a diameter of 2.52 × 10–10 m.
What is the size of this iron atom in nanometres?
DO NOT WRITE IN THIS AREA DO NOT WRITE IN THIS AREA
(1)
A 2.52
B 0.252
C 0.0252
D 0.00252
(d) Figure 2 shows the arrangement of atoms in three different alloys of copper and
zinc, A, B and C.
Alloy A Alloy B Alloy C
Key:
zinc atom copper atom
Figure 2
Explain which of the three alloys, A, B and C, is the strongest.
DO NOT WRITE IN THIS AREA
(2)
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . .. .. .. .. .. .. .. .. .. .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ................ ............................................................................................................................ ................ . . . . . . . . . . . . . . . . . . . .
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(Total for Question 1 = 6 marks)
3
Turn over
