Chemistry as - Study guides, Class notes & Summaries
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AQA A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Version: 1.0 FinalQUESTION PAPER & MARKING SCHEME/ [MERGED] Mark scheme June 2023
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AQA 
A-level 
CHEMISTRY 
7405/2 
Paper 2 Organic and Physical Chemistry 
Version: 1.0 Final 
*Jun* 
IB/M/Jun23/E8 7405/2 
For Examiner’s Use 
Question Mark 
1 
2 
3 
4 
5 
6 
7 
8 
9 
TOTAL 
Monday 19 June 2023 Afternoon Time allowed: 2 hours 
Materials 
For this paper you must have: 
• the Periodic Table/Data Booklet, provided as an insert (enclosed) 
• a ruler with millimetre measurements 
• a scientific calculator, which you are expected to use where appropriate. 
Instructions 
• Us...
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ASCP chemistry ASCP EXAM 2023/2024 QUESTIONS AND ANSWERS ALL VERIFIED (A+ GRADED)
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ASCP chemistry ASCP EXAM 2023/2024 QUESTIONS AND ANSWERS ALL VERIFIED (A+ GRADED)
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OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY GENUINE 2024 EXAM WITH ACCURATE ANSWERS FOR A+ GRADE. CHECK THE LAST PAGE FOR ANSWERS
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OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY 
GENUINE 2024 EXAM WITH ACCURATE ANSWERS FOR A+ GRADE. 
CHECK THE LAST PAGE FOR ANSWERS 
row shows the atomic structure of 37Cl –? 
 
	protons	neutrons	electrons 
A	17	18	20 
B	17	20	18 
C	18	19	17 
D	20	17	21 
 
 
Your answer	[1] 
 
 
2	What is the formula of ammonium sulfide? 
 
A	NH4S 
B	NH4SO4 
C	(NH4)2S 
D	(NH4)2SO4 
 
Your answer	[1] 
 
 
3	Calcium nitrate, Ca(NO3)2, decomposes when heated, as shown below. 
Ca(NO3)2(s) → CaO(s) + 2N...
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OCR AS Level Chemistry A H032/02 JUNE 2023 QUESTION PAPER: Depth in chemistry
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This is the official question paper
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CHEM 301 CHEMISTRY 301 INTRODUCTION TO BIOCHEMISTRY ASSIGNMENT 2 96%-100 MARKS WELL DONE. ATHABASCA UNIVERSITY
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CHEM 301 CHEMISTRY 301 INTRODUCTION TO BIOCHEMISTRY ASSIGNMENT 2 96%-100 MARKS WELL DONE. ATHABASCA UNIVERSITY
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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
- Exam (elaborations) • 34 pages • 2023
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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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AQA AS Level Paper 2 Chemistry 2023 QP & MARKSCHEME [VERIFIED]
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AQA AS Level Chemistry Paper 2 2023 QP & MARKSCHEME
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AQA AS LEVEL CHEMISTRY 7404 JUNE 2023 PAPER 2 ORGANIC AND PHYSICAL CHEMISTRY FINAL MARKSCHEME
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AQA AS LEVEL CHEMISTRY 7404 JUNE 2023 PAPER 2 ORGANIC AND PHYSICAL CHEMISTRY FINAL MARKSCHEME
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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.
- Exam (elaborations) • 34 pages • 2023
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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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