Ocr as level chemistry b Study guides, Class notes & Summaries
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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 (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 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 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) H033/02 CHEMISTRY IN DEPTH ACTUAL 2024 EXAM PREDICTION WITH ACCURATE QUESTIONS AND ANSWERS. A+ GUARANTEED.CHECK THE LAST PAGE FOR ANSWERS.
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OCR AS LEVEL CHEMISTRY B (SALTERS) H033/02 CHEMISTRY IN DEPTH 
ACTUAL 2024 EXAM PREDICTION WITH ACCURATE QUESTIONS AND ANSWERS. 
A+ GUARANTEED.CHECK THE LAST PAGE FOR ANSWERS. 
1	Disposable lighters use butane (C4H10). Heat energy is released when the butane is burned. 
Some students wish to determine the enthalpy change of combustion (cH) of butane. They use the apparatus below. 
 
 
 
thermometer clamp 
 
metal can water 
 
disposable lighter 
 
 
butane 
 
 
The mass of the lighter is meas...
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OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY 2024 GENUINE EXAM PREDICTION RATED 5 STAR.100% COMPLETE WITH ACCURATE ANSWERS. CHECK THE LAST PAGE FOR ANSWERS
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OCR AS LEVEL CHEMISTRY B (SALTERS) H033/01 FOUNDATIONS OF CHEMISTRY 
 
2024 GENUINE EXAM PREDICTION RATED 5 STAR.100% COMPLETE WITH ACCURATE ANSWERS. 
 
CHECK THE LAST PAGE FOR ANSWERS 
1	How many protons are in a hydroxide ion, OH−? 
 
A	1 
 
B	8 
 
C	9 
 
D	10 
 
Your answer	[1] 
 
 
2	Which of the following is the correct electronic configuration for a potassium ion, K+ ? 
 
A	1s22s22p63s1 
 
B	1s22s22p63s23p6 
 
C	1s22s22p63s23p64s1 
 
D	1s22s22p63s23p64s2 
 
Your answer	[1] 
 
 
3	Which p...
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OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY ORIGINAL 2024 EXAM 100 % COMPLETE QUESTIONS AND ANSWERS A+ SCORE GUARANTEED.CHECK THE LAST PAGE FOR ANSWERS.
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OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY 
 ORIGINAL 2024 EXAM 100 % COMPLETE QUESTIONS AND ANSWERS 
A+ SCORE GUARANTEED.CHECK THE LAST PAGE FOR ANSWERS. 
1	Which substance contains polar molecules? 
 
A	C2H4 
B	CO2 
C	NCl 3 
D	SF6 
Your answer	 	[1] 
 
 
2	What is the formula of silver carbonate? 
 
A	AgCO3 
B	Ag(CO3)2 
C	Ag2CO3 
D	Ag3CO3 
Your answer	 	[1] 
 
 
3	Which statement explains why ice is less dense than water? 
 
A	Hydrogen bonds are stronger in ice than in water. 
 
B	H...
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ocr AS Level Chemistry B H033/02 June2023 Mark Scheme.
- Exam (elaborations) • 19 pages • 2023
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ocr AS Level Chemistry B H033-02 June2023 Mark Scheme.
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ocr AS Level Chemistry B (Salters) H033/02 May2023 Question Paper.
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ocr AS Level Chemistry B (Salters) H033-02 May2023 Question Paper.
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Ocr As Level Chemistry B-paper-2-june-2022-questions-only
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Ocr As Level Chemistry B-paper-2-june-2022-questions-only
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