Oxford Cambridge and RSA
Examinations GCEChemistry
BH433/01: Fundamentals of
chemistryA Level
, Oxford Cambridge and RSA
Monday 12 June 2023 – Morning
A Level Chemistry B (Salters)
H433/01 Fundamentals of Chemistry
Time allowed: 2 hours 15 minutes
You must have:
* 9 9 0 0 7 0 4 8 9 3 *
• the Data Sheet for Chemistry B
You can use:
• a scientific or graphical calculator
• an HB pencil
* H 4 3 3 0 1 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 110.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 36 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2023 [601/5371/4] OCR is an exempt Charity
DC (ST/SG) 317976/4 Turn over
, 2
Section A
You should spend a maximum of 40 minutes on this section.
Write your answer to each question in the box provided.
1 Which row is correct for the properties of substances with the bonding types shown?
Melting Electrical conductivity
Bonding type
point Solid Molten
A covalent network low poor poor
B ionic high good good
C metallic high poor good
D simple molecular low poor poor
Your answer [1]
2 Helium-4 is formed by a nuclear fusion reaction.
2 32 He 4
2 He + ....................
What is needed to complete the equation?
A 1 electron
B 1 neutron
C 1 proton
D 2 protons
Your answer [1]
© OCR 2023
, 3
3 Which molecule is the most polar?
A CCl 4
B CF4
C CHF3
D CHCl 2F
Your answer [1]
4 One of the principles of green chemistry in industrial processes involves the use of a selective
catalyst.
Which of the following makes a selective catalyst ‘green’?
A It speeds up the process.
B It improves the atom economy.
C It minimises the use of organic solvents.
D It reduces energy usage and minimises waste product.
Your answer [1]
5 Sodium phosphate(V) has the formula Na3PO4.
What is the formula of calcium phosphate(V)?
A CaPO4
B Ca2(PO4)3
C Ca3PO4
D Ca3(PO4)2
Your answer [1]
© OCR 2023 Turn over
Examinations GCEChemistry
BH433/01: Fundamentals of
chemistryA Level
, Oxford Cambridge and RSA
Monday 12 June 2023 – Morning
A Level Chemistry B (Salters)
H433/01 Fundamentals of Chemistry
Time allowed: 2 hours 15 minutes
You must have:
* 9 9 0 0 7 0 4 8 9 3 *
• the Data Sheet for Chemistry B
You can use:
• a scientific or graphical calculator
• an HB pencil
* H 4 3 3 0 1 *
Please write clearly in black ink. Do not write in the barcodes.
Centre number Candidate number
First name(s)
Last name
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use
the lined pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might be
given for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 110.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 36 pages.
ADVICE
• Read each question carefully before you start your answer.
© OCR 2023 [601/5371/4] OCR is an exempt Charity
DC (ST/SG) 317976/4 Turn over
, 2
Section A
You should spend a maximum of 40 minutes on this section.
Write your answer to each question in the box provided.
1 Which row is correct for the properties of substances with the bonding types shown?
Melting Electrical conductivity
Bonding type
point Solid Molten
A covalent network low poor poor
B ionic high good good
C metallic high poor good
D simple molecular low poor poor
Your answer [1]
2 Helium-4 is formed by a nuclear fusion reaction.
2 32 He 4
2 He + ....................
What is needed to complete the equation?
A 1 electron
B 1 neutron
C 1 proton
D 2 protons
Your answer [1]
© OCR 2023
, 3
3 Which molecule is the most polar?
A CCl 4
B CF4
C CHF3
D CHCl 2F
Your answer [1]
4 One of the principles of green chemistry in industrial processes involves the use of a selective
catalyst.
Which of the following makes a selective catalyst ‘green’?
A It speeds up the process.
B It improves the atom economy.
C It minimises the use of organic solvents.
D It reduces energy usage and minimises waste product.
Your answer [1]
5 Sodium phosphate(V) has the formula Na3PO4.
What is the formula of calcium phosphate(V)?
A CaPO4
B Ca2(PO4)3
C Ca3PO4
D Ca3(PO4)2
Your answer [1]
© OCR 2023 Turn over
