Breadth in chemistry - Study guides, Class notes & Summaries
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H032/01: Breadth in chemistry. AS LEVEL Mark Scheme OCR: OXFORD CAMBRIDGE AND RSA. GCE. CHEMISTRY A LATEST UPDATE 2024
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OCR (Oxford Cambridge and RSA) is a leading UK awarding body, providing a wide range of qualifications to meet the needs of candidates of all ages and abilities. OCR qualifications include AS/A Levels, Diplomas, GCSEs, Cambridge Nationals, Cambridge Technicals, Functional Skills, Key Skills, Entry Level qualifications, NVQs and vocational qualifications in areas such as IT, business, languages, teaching/training, administration and secretarial skills. 
It is also responsible for developing new s...
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GCE AS Level Chemistry A H032/01: Breadth in chemistry Mark Scheme for June 2022
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GCE AS Level Chemistry A H032/01: Breadth in chemistry Mark Scheme for June 2022. ANNOTATE ANSWER WITH TICKS AND CROSSES 
1st curly arrow (from ANY alkene) 
Curly arrow from double bond to Br of Br–Br 
DO NOT ALLOW partial charge on C=C 
2nd curly arrow 
Correct dipole on Br–Br 
AND curly arrow for breaking of Br–Br bond 
5 
AO1.2 
AO1.2 
For curly arrows, ALLOW straight or snake-like 
arrows and small gaps (see examples): 
1st curly arrow must 
• go to a Br atom of Br–Br 
AND ...
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OCR 2023 GCSE CHEMISTRY B TWENTY FIRST CENTURY SCIENCE J258/01: BREADTH IN CHEMISTRY (FOUNDATION TIER) QUESTION PAPER & MARK SCHEME (MERGED)
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2 
© OCR 2023 
1 The increase in global population means there is a greater need for drinking water. 
(a) What is the correct term for drinking water? 
Tick () one box. 
Ground water 
Potable water 
Sea water 
Waste water 
[1] 
(b) One source of drinking water is salt water. 
Describe a process that separates water from salt water. 
................................................................................................................................................... 
.................
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OCR 2023 GCSE CHEMISTRY B TWENTY FIRST CENTURY SCIENCE J258/03: BREADTH IN CHEMISTRY (HIGHER TIER) QUESTION PAPER & MARK SCHEME (MERGED)
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2 
© OCR 2023 
1 Argon forms 1% of the air and is unreactive. 
Argon is used as a replacement for nitrogen when nitrogen is too reactive. 
(a) Argon is unreactive because it is in Group 0 of the Periodic Table. 
State one other property of argon. 
.............................................................................................................................................. [1] 
(b) Chlorine is very reactive. Argon is unreactive. 
Explain how the reactivity of these two elements a...
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H032-01-Breadth in chemistry Mark Scheme -2023-2024
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H032-01-Breadth in chemistry Mark Scheme -2023-2024
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GCE Chemistry A H032/01: Breadth in chemistry AS Level
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For answers marked by levels of response: Not applicable in F501 
a. To determine the level – start at the highest level and work down until you reach the level that matches the answer 
b. To determine the mark within the level, consider the following 
Descriptor Award mark 
On the borderline of this level and the one 
below At bottom of level 
Just enough achievement on balance for this 
level 
Above bottom and either below middle or at middle of level (depending on number of marks 
available...
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OCR AS Level Chemistry A H032/01 MARK SCHEME 2023: Breadth in chemistry
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This is the final mark scheme
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OCR GCE AS Level Chemistry A H032/01: Breadth in chemistry Mark Scheme for June 2022
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OCR GCE AS Level Chemistry A H032/01: Breadth in chemistry Mark Scheme for June 2022. (Electrostatic) attraction between 
oppositely charged OR + and – ions 
1 AO1.1 
×1 
Attraction is essential 
IGNORE references to metal and non-metal 
Mark SchemeJune 2022 
20 
(ii) 
Mg2+ shown alternately in FOUR circles 
S 
2– shown alternately in FOUR circles 
2 AO1.2 
×2 
ALLOW labels if seen outside circles provided it 
clear which circle the label applies to 
ALLOW 1 mark for Mg AND S s...
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AS Level Chemistry A H032/01 Breadth in chemistry Merged Question Paper and Mark Scheme 2019
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AS Level Chemistry A H032/01 Breadth in chemistry Question Paper and Marking Scheme 2019. SECTION A 
You should spend a maximum of 25 minutes on this section. 
Answer all the questions. 
1 How many electrons are in a 
A 10 
B 12 
C 14 
D 22 
Your answer 
24Mg2+ ion? 
[1] 
2 What is the formula of chromium(III) sulfate? 
A Cr3SO4 
B Cr(SO4)3
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OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY QP
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OCR AS LEVEL CHEMISTRY A H032/01 BREADTH IN CHEMISTRY QP
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