2024 Pearson Edexcel Level 1/Level 2 GCSE
Chemistry 1CH0/2H PAPER 2. With Marking
Scheme Merged
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Tuesday 11 June 2024
reference 1CH0/2H
Morning (Time: 1 hour 45 minutes) Paper
Chemistry
PAPER 2
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.
• 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.
In questions marked with an asterisk (*), marks will be awarded for your ability to
structure your answer logically, showing how the points that you make are related
Information
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
P74426A
©2024 Pearson Education Ltd.
*P74426A0132*
F:1/1/1/1/1/1/1/1/1/
, 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) Concrete is a composite material made of cement, sand and stone.
Different types of concrete are produced by changing the ratio of cement,
sand and stone.
Figure 1 shows some information about three different types of
concrete, A, B and C.
mixing ratio compressive strength
concrete example of use
cement : sand : stone in kPa
A 1:2:4 17 250 fence posts
B 1:2:3 27 600 paving slabs
C 1:2:2 31 050 flooring
DO NOT WRITE IN THIS AREA
Figure 1
(i) State how the amount of stone added to the mixture affects the
compressive strength of concrete.
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(ii) What mass of stone is in a sample of concrete B containing 5000 kg of sand?
(1)
A 2500 kg
B 5000 kg DO NOT WRITE IN THIS AREA
C 7500 kg
D 10 000 kg
2
*P74426A0232*
, (iii) Sand contains silicon dioxide.
Figure 2 shows part of the structure of silicon dioxide.
DO NOT WRITE IN THIS AREA
Key
oxygen atom
silicon atom
Figure 2
State the type of structure and bonding in silicon dioxide.
(1)
DO NOT WRITE IN THIS AREA
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(b) (i) Which statement about nanoparticles is correct?
(1)
A nanoparticles are smaller than atoms and molecules
B nanoparticles are smaller than atoms but larger than molecules
C nanoparticles are larger than atoms but smaller than molecules
D nanoparticles are larger than atoms and molecules
(ii) Some sunscreens contain nanoparticles of titanium dioxide.
Explain why nanoparticles of titanium dioxide are used in some sunscreens.
(2)
DO NOT WRITE IN THIS AREA
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 1 = 6 marks)
3
*P74426A0332*
, 2 A student investigates the reaction between marble chips
and dilute hydrochloric acid.
DO NOT WRITE IN THIS AREA
The student measures the total volume of carbon dioxide gas produced each
minute, for 10 minutes.
(a) Figure 3 shows part of the apparatus used in the experiment.
Complete Figure 3 by drawing and labelling apparatus that could be
used to collect and measure the volume of the carbon dioxide gas.
(2)
conical flask
dilute
hydrochloric acid
DO NOT WRITE IN THIS AREA
marble chips
Figure 3
DO NOT WRITE IN THIS AREA
4
*P74426A0432*
Chemistry 1CH0/2H PAPER 2. With Marking
Scheme Merged
Pearson Edexcel Level 1/Level 2 GCSE (9–1)
Tuesday 11 June 2024
reference 1CH0/2H
Morning (Time: 1 hour 45 minutes) Paper
Chemistry
PAPER 2
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.
• 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.
In questions marked with an asterisk (*), marks will be awarded for your ability to
structure your answer logically, showing how the points that you make are related
Information
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
P74426A
©2024 Pearson Education Ltd.
*P74426A0132*
F:1/1/1/1/1/1/1/1/1/
, 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) Concrete is a composite material made of cement, sand and stone.
Different types of concrete are produced by changing the ratio of cement,
sand and stone.
Figure 1 shows some information about three different types of
concrete, A, B and C.
mixing ratio compressive strength
concrete example of use
cement : sand : stone in kPa
A 1:2:4 17 250 fence posts
B 1:2:3 27 600 paving slabs
C 1:2:2 31 050 flooring
DO NOT WRITE IN THIS AREA
Figure 1
(i) State how the amount of stone added to the mixture affects the
compressive strength of concrete.
(1)
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(ii) What mass of stone is in a sample of concrete B containing 5000 kg of sand?
(1)
A 2500 kg
B 5000 kg DO NOT WRITE IN THIS AREA
C 7500 kg
D 10 000 kg
2
*P74426A0232*
, (iii) Sand contains silicon dioxide.
Figure 2 shows part of the structure of silicon dioxide.
DO NOT WRITE IN THIS AREA
Key
oxygen atom
silicon atom
Figure 2
State the type of structure and bonding in silicon dioxide.
(1)
DO NOT WRITE IN THIS AREA
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(b) (i) Which statement about nanoparticles is correct?
(1)
A nanoparticles are smaller than atoms and molecules
B nanoparticles are smaller than atoms but larger than molecules
C nanoparticles are larger than atoms but smaller than molecules
D nanoparticles are larger than atoms and molecules
(ii) Some sunscreens contain nanoparticles of titanium dioxide.
Explain why nanoparticles of titanium dioxide are used in some sunscreens.
(2)
DO NOT WRITE IN THIS AREA
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................................................................
(Total for Question 1 = 6 marks)
3
*P74426A0332*
, 2 A student investigates the reaction between marble chips
and dilute hydrochloric acid.
DO NOT WRITE IN THIS AREA
The student measures the total volume of carbon dioxide gas produced each
minute, for 10 minutes.
(a) Figure 3 shows part of the apparatus used in the experiment.
Complete Figure 3 by drawing and labelling apparatus that could be
used to collect and measure the volume of the carbon dioxide gas.
(2)
conical flask
dilute
hydrochloric acid
DO NOT WRITE IN THIS AREA
marble chips
Figure 3
DO NOT WRITE IN THIS AREA
4
*P74426A0432*
