A-level
CHEMISTRY
7405/3
Paper 3
Mark scheme
June 2024
Version: 1.0 Final
*246A7405/3/MS*
Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject...
, MARK SCHEME – A-LEVEL CHEMISTRY – 7405/3 – JUNE
2024
Mark schemes are prepared by the Lead Assessment Writer and considered, together with
the relevant questions, by a panel of subject teachers. This mark scheme includes any
amendments made at the standardisation events which all associates participate in and is
the scheme which was used by them in this examination. The standardisation process
ensures that the mark scheme covers the students’ responses to questions and that every
associate understands and applies it in the same correct way.
As preparation for standardisation each associate analyses a number of students’ scripts.
Alternative answers not already covered by the mark scheme are discussed and legislated
for. If, after the standardisation process, associates encounter unusual answers which
have not been raised they are required to refer these to the Lead Examiner.
It must be stressed that a mark scheme is a working document, in many cases further
developed and expanded on the basis of students’ reactions to a particular paper.
Assumptions about future mark schemes on the basis of one year’s document should be
avoided; whilst the guiding principles of assessment remain constant, details will change,
depending on the content of a particular examination paper.
No student should be disadvantaged on the basis of their gender identity and/or how
they refer to the gender identity of others in their exam responses.
A consistent use of ‘they/them’ as a singular and pronouns beyond ‘she/her’ or ‘he/him’ will
be credited in exam responses in line with existing mark scheme criteria.
Further copies of this mark scheme are available from aqa.org.uk
, MARK SCHEME – A-LEVEL CHEMISTRY – 7405/3 – JUNE
2024
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