OCR SUMMER
2026 PREDICTED
PAPER
AS Level Chemistry B (Salters)
H033/01 Foundations of chemistry
Time allowed: 1 hour 30 minutes
You must have:
• the Data Sheet for Chemistry B
You can use:
a scientific or graphical calculator
a ruler (cm/mm)
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 70.
• The marks for each question are shown in brackets [ ].
• This document has 22 pages.
ADVICE
• Read each question carefully before you start your answer.
Turn over
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, 2
Section A
You should spend a maximum of 25 minutes on this section.
Write your answer to each question in the box provided.
1 Which ion has the same electron configuration as Cl⁻?
A K⁺
B Ca²⁺
C S²⁻
D P³⁻
Your answer [1]
2 Which reaction has the largest atom economy for the organic product?
A CH₂=CH₂ + H₂O → CH₃CH₂OH
B CH₃CH₂Br + NaOH → CH₃CH₂OH + NaBr
C C₂H₅OH → CH₂=CH₂ + H₂O
D C₂H₆ + Cl₂ → C₂H₅Cl + HCl
Your answer [1]
3 Which molecule has the smallest bond angle?
A BF₃
B CH₄
C H₂O
D NH₃
Your answer [1]
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, 3
4 Propene is reacted with hydrogen bromide. Which row correctly describes the major
product according to Markovnikov's rule?
Major product Type of reaction
A 1-bromopropane addition
B 2-bromopropane addition
C 1-bromopropane substitution
D 2-bromopropane substitution
Your answer [1]
5 What mass of NaOH is needed to make 500 cm³ of a 0.200 mol dm⁻³ solution?
(Na, 23; O, 16; H, 1)
A 1.60
B 2.00 g
C 4.00 g
D 8.00 g
Your answer [1]
6 Silver nitrate solution is added to separate solutions of sodium fluoride, sodium
chloride, and sodium bromide. What is correct?
A Sodium fluoride gives a white precipitate soluble in ammonia
B Sodium chloride gives a white precipitate soluble in dilute ammonia
C Sodium bromide gives a yellow precipitate insoluble in ammonia
D Sodium fluoride gives a yellow precipitate
Your answer [1]
for more: tyrionpapers.com
2026 PREDICTED
PAPER
AS Level Chemistry B (Salters)
H033/01 Foundations of chemistry
Time allowed: 1 hour 30 minutes
You must have:
• the Data Sheet for Chemistry B
You can use:
a scientific or graphical calculator
a ruler (cm/mm)
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 70.
• The marks for each question are shown in brackets [ ].
• This document has 22 pages.
ADVICE
• Read each question carefully before you start your answer.
Turn over
for more: tyrionpapers.com
, 2
Section A
You should spend a maximum of 25 minutes on this section.
Write your answer to each question in the box provided.
1 Which ion has the same electron configuration as Cl⁻?
A K⁺
B Ca²⁺
C S²⁻
D P³⁻
Your answer [1]
2 Which reaction has the largest atom economy for the organic product?
A CH₂=CH₂ + H₂O → CH₃CH₂OH
B CH₃CH₂Br + NaOH → CH₃CH₂OH + NaBr
C C₂H₅OH → CH₂=CH₂ + H₂O
D C₂H₆ + Cl₂ → C₂H₅Cl + HCl
Your answer [1]
3 Which molecule has the smallest bond angle?
A BF₃
B CH₄
C H₂O
D NH₃
Your answer [1]
for more: tyrionpapers.com
, 3
4 Propene is reacted with hydrogen bromide. Which row correctly describes the major
product according to Markovnikov's rule?
Major product Type of reaction
A 1-bromopropane addition
B 2-bromopropane addition
C 1-bromopropane substitution
D 2-bromopropane substitution
Your answer [1]
5 What mass of NaOH is needed to make 500 cm³ of a 0.200 mol dm⁻³ solution?
(Na, 23; O, 16; H, 1)
A 1.60
B 2.00 g
C 4.00 g
D 8.00 g
Your answer [1]
6 Silver nitrate solution is added to separate solutions of sodium fluoride, sodium
chloride, and sodium bromide. What is correct?
A Sodium fluoride gives a white precipitate soluble in ammonia
B Sodium chloride gives a white precipitate soluble in dilute ammonia
C Sodium bromide gives a yellow precipitate insoluble in ammonia
D Sodium fluoride gives a yellow precipitate
Your answer [1]
for more: tyrionpapers.com
