Ocr as level chemistry b Study guides, Class notes & Summaries
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OCR 2023 Chemistry A H032/01: Breadth in chemistry AS Level Question Paper & Mark Scheme (Merged)
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OCR 
2023 
Chemistry A 
H032/01: Breadth in chemistry 
AS Level 
Question Paper & Mark Scheme 
(Merged) 
Please Review and leave your Rating 
stars…. 
Please write clearly in black ink. Do not write in the barcodes. 
Centre number Candidate number 
First name(s) 
Last name 
Oxford Cambridge and RSA 
Tuesday 16 May 2023 – Morning 
AS Level Chemistry A 
H032/01 Breadth in chemistry 
Time allowed: 1 hour 30 minutes 
* 
INSTRUCTIONS 
• Use black ink. You can use an HB pencil, but only for gra...
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OCR A Level Chemistry Paper 1 (H432/01) Periodic table, Elements and physical chemistry Mark Scheme June 2023
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OCR A Level Chemistry Paper 1 (H432/01) Periodic table, Elements and physical chemistry Mark Scheme June 2023. FIRST CHECK THE ANSWER ON ANSWER LINE 
If answer = –1872 award 2 marks 
----------------------------------------------------------------- 
H lattice = 
2(+ 296) – 965 – 503 – 180 + 2(–107)– 602 
H lattice = –1872 (kJ mol–1 
) 
2 AO2.2 
2 
ALLOW for 1 mark +1872 (wrong sign on answer) 
Common errors for 1 mark 
–3056 (–296 x 2 instead of 296 x2) 
–2168 (2...
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OCR AS LEVEL Chemistry B (Salters) H033/01 JUNE 2022 FINAL MARK SCHEME > Foundations of chemistry
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OCR AS LEVEL Chemistry B (Salters) H033/01 JUNE 2022 FINAL MARK SCHEME > Foundations of chemistry
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OCR AS LEVEL Chemistry B (Salters) H033/01 JUNE 2022 FINAL MARK SCHEME > Foundations of chemistry
- Exam (elaborations) • 17 pages • 2023
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OCR AS LEVEL Chemistry B (Salters) H033/01 JUNE 2022 FINAL MARK SCHEME > Foundations of chemistry
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OCR AS LEVEL CHEMISTRY B (SALTERS)H033/01 FOUNDATIONS OF CHEMISTRY LATEST ACTUAL EXAM 2024-2025 WITH EXACT QUESTIONS AND CORRECT VERIFIED ANSWERS|A GRADED
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OCR AS LEVEL CHEMISTRY B (SALTERS)H033/01 
FOUNDATIONS OF CHEMISTRY LATEST ACTUAL 
EXAM WITH EXACT QUESTIONS AND 
CORRECT VERIFIED ANSWERS|A GRADED
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OCR AS LEVEL CHEMISTRY B PAPER 2 MARKSCHEME.
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OCR AS LEVEL CHEMISTRY B PAPER 2 MARKSCHEME.
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OCR AS LEVEL Chemistry B H033/02 JUNE 2022 FINAL MARK SCHEME >Chemistry in depth.
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OCR AS LEVEL Chemistry B H033/02 JUNE 2022 FINAL MARK SCHEME >Chemistry in depth.
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ocr AS Level Chemistry B (Salters) H033/01 May2023 Question Paper.
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ocr AS Level Chemistry B (Salters) H033-01 May2023 Question Paper.
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OCR AS LEVEL CHEMISTRY B (Salters) H033/02 CHEMISTRY IN DEPTH ACCURATE 2024 ACTUAL EXAM V1.100% ACCURATE WITH ANSWERS A+ SCORE GUARANTEED. CHECK THE LAST PAGE
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1	Catalytic cracking of hydrocarbons is carried out in the petrochemical industry. 
Hot vaporised hydrocarbons and a powdered catalyst are fed into the bottom of a tube and forced upwards by steam. 
 
(a)	(i)	Decane, C10H22, can be cracked to give an alkene with four carbon atoms and another alkane. 
 
Write a chemical equation for this reaction using molecular formulae. 
 
 
 
 
[1] 
 
(ii)	2,2,3-Trimethylheptane is an isomer of decane. 
 
Draw the skeletal formula of 2,2,3-trimethylheptane. 
 ...
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OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY ACTUAL 2024 COMPLETE EXAM V1 WITH ACCURATE ANSWERS A+ GRADE ASSURED.CHECK LAST PAGE FOR ANSWERS
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OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY 
ACTUAL 2024 COMPLETE EXAM V1 WITH ACCURATE ANSWERS 
 A+ GRADE ASSURED.CHECK LAST PAGE FOR ANSWERS 
1	What is the outer subshell electron configuration of an element in Group 16 of the Periodic Table? 
 
A	p4 
 
B	p5 
 
C	p6 
D	p16 
 
Your answer	 	[1] 
 
2	Geiger and Marsden fired α-particles at a gold foil. What happened in their experiment? 
A	The α-particles were scattered randomly. 
B	Most α-particles passed through unde...
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