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Pearson Edexcel GCSE In Chemistry (1CH0) Paper 1F Mark Scheme (Results) Summer 2024
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Pearson Edexcel GCSE In Chemistry (1CH0) Paper 1F Mark Scheme (Results) Summer 2024
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Pearson Edexcel GCSE In Chemistry (1CH0) Paper 1F Mark Scheme(Results) Summer 2024
Mark Scheme (Results) Summer
2024
Pearson Edexcel GCSE In
Chemistry (1CH0) Paper
1F
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Summer 2024
Question Paper Log Number P74421A Publications
Code 1CH0_1F_2406_MS
All the material in this publication is copyright
© Pearson Education Ltd 2024
,General Marking Guidance
All candidates must receive the same treatment. Examiners must
mark the first candidate in exactly the same way as they mark the
last.
Mark schemes should be applied positively. Candidates must be
rewarded for what they have shown they can do rather than penalised
for omissions.
Examiners should mark according to the mark scheme not
according to their perception of where the grade boundaries may
lie.
There is no ceiling on achievement. All marks on the mark
scheme should be used appropriately.
All the marks on the mark scheme are designed to be awarded.
Examiners should always award full marks if deserved, i.e. if the
answer matches the mark scheme. Examiners should also be prepared
to award zero marks if the candidate’s response is not worthy of
credit according to the mark scheme.
Where some judgement is required, mark schemes will
provide the principles by which marks will be awarded and
exemplification may be limited.
When examiners are in doubt regarding the application of the
mark scheme to a candidate’s response, the team leader must
be consulted.
Crossed out work should be marked UNLESS the candidate has
replaced it with an alternative response.
, Paper 1F Foundation Tier
Question Answer Additional guidance Mark
number
1(a) all particles should be arranged regularly allow (1)
AO1-1
overlapping circles
should be at least 3 rows/columns, each row can be directly over
the one below
Question Answer Mark
number
1(b)(i) C freezing is the only correct answer (1)
AO1-1
A is incorrect as condensing is gas to liquid
B is incorrect as evaporating is liquid to gas
D is incorrect as melting is solid to liquid
Question Answer Additional guidance Mark
number
1(b)(ii) An explanation linking: (2)
AO2-1
it is reversible (1) allow a description of reversible / not a permanent change
no new substance is made (1) allow the {substance / compound} does not change /it is only a change of state
/ not a chemical reaction / it is the same product
ignore no {bonds/intermolecular forces} are broken
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