2021 SASS 3E Chem EOY
Uploaded by KeyBattleStan · 28 February 2026
Answer sheet by Holy Grail
Worked solutions written by AI for Holy Grail. We publish a part only when two independent AI solutions agree, and a part can still be wrong. This is not the school's mark scheme or an official SEAB or Cambridge mark scheme. Mark splits are our suggestion, following the SEAB syllabus rules for this subject.
64 of 67 parts worked
P1 Q1
[1]- P1 Q1[1]Not yet worked
We publish a part only when two independent solutions agree and pass our checks. This part did not, so we left it out.
P1 Q2
[1]- P1 Q2[1]Worked
P1 Q3
[1]- P1 Q3[1]Worked
P1 Q4
[1]- P1 Q4[1]Worked
P1 Q5
[1]- P1 Q5[1]Worked
P1 Q6
[1]- P1 Q6[1]Not yet worked
We publish a part only when two independent solutions agree and pass our checks. This part did not, so we left it out.
P1 Q7
[1]- P1 Q7[1]Not yet worked
We publish a part only when two independent solutions agree and pass our checks. This part did not, so we left it out.
P1 Q8
[1]- P1 Q8[1]Worked
P1 Q9
[1]- P1 Q9[1]Worked
P1 Q10
[1]- P1 Q10[1]Worked
P1 Q11
[1]- P1 Q11[1]Worked
P1 Q12
[1]- P1 Q12[1]Worked
P1 Q13
[1]- P1 Q13[1]Worked
P1 Q14
[1]- P1 Q14[1]Worked
P1 Q15
[1]- P1 Q15[1]Worked
P1 Q16
[1]- P1 Q16[1]Worked
P1 Q17
[1]- P1 Q17[1]Worked
P1 Q18
[1]- P1 Q18[1]Worked
P1 Q19
[1]- P1 Q19[1]Worked
P1 Q20
[1]- P1 Q20[1]Worked
P1 Q21
[1]- P1 Q21[1]Worked
P1 Q22
[1]- P1 Q22[1]Worked
P1 Q23
[1]- P1 Q23[1]Worked
P1 Q24
[1]- P1 Q24[1]Worked
P1 Q25
[1]- P1 Q25[1]Worked
P1 Q26
[1]- P1 Q26[1]Worked
P1 Q27
[1]- P1 Q27[1]Worked
P1 Q28
[1]- P1 Q28[1]Worked
P1 Q29
[1]- P1 Q29[1]Worked
This topic is not in the 2026 syllabus.
P1 Q30
[1]- P1 Q30[1]Worked
P1 QB1
[5]- P1 QB1(a)[1]Worked
- P1 QB1(b)[1]Worked
- P1 QB1(c)[1]Worked
- P1 QB1(d)[1]Worked
- P1 QB1(e)[1]Worked
P1 QB2
[3]- P1 QB2(a)[2]Worked
- P1 QB2(b)[1]Worked
P1 QB3
[10]- P1 QB3(a)[3]Worked
- P1 QB3(b)[3]Worked
- P1 QB3(c)[2]Worked
- P1 QB3(d)[2]Worked
P1 QB4
[3]- P1 QB4(a)[2]Worked
- P1 QB4(b)[1]Worked
P1 QB5
[4]- P1 QB5(a)[1]Worked
- P1 QB5(b)[2]Worked
- P1 QB5(c)[1]Worked
P1 QB6
[3]- P1 QB6[3]Worked
P1 QB7
[5]- P1 QB7(a)[3]Worked
This topic is not in the 2026 syllabus.
- P1 QB7(b)[1]Worked
This topic is not in the 2026 syllabus.
- P1 QB7(c)[1]Worked
This topic is not in the 2026 syllabus.
P1 QB8
[7]- P1 QB8(a)(i)[1]Worked
- P1 QB8(a)(ii)[1]Worked
- P1 QB8(a)(iii)[1]Worked
- P1 QB8(a)(iv)[1]Worked
- P1 QB8(b)[1]Worked
- P1 QB8(c)[2]Worked
P1 QC1
[10]- P1 QC1(a)[2]Worked
- P1 QC1(b)[1]Worked
The paper has a printing error here. We used the intended reading.
- P1 QC1(c)[2]Worked
The paper has a printing error here. We used the intended reading.
- P1 QC1(d)(i)[2]Worked
- P1 QC1(d)(ii)[1]Worked
- P1 QC1(d)(iii)[2]Worked
P1 QC2
[10]- P1 QC2(a)[2]Worked
- P1 QC2(b)[2]Worked
- P1 QC2(c)[2]Worked
- P1 QC2(d)(i)[2]Worked
- P1 QC2(d)(ii)[2]Worked
Answer sheets by Holy Grail cover GCE O Level and A Level exam papers in Mathematics, Additional Mathematics, Further Mathematics, Physics, Chemistry and Biology only, including the combined sciences and H1, H2 and H3. Other subjects and levels are not supported.
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