Paper 1 · 2026

Chemistry

16 printed questions. Open one to see the official image and each model’s answer and reasoning.

4 questions a model dropped

Paper 1 Chemistry Q4 — official C. Claude Sonnet 5 —

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Paper 1 Chemistry Q8 — official A, B, C. Claude Sonnet 5 A, C

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Paper 1 Chemistry Q11 — official 4. Claude Sonnet 5 3

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Paper 1 Chemistry Q15 — official C. Claude Sonnet 5 —

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Q1

Single correct

Official B

All models correct

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Q2

Single correct

Official C

All models correct

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Q3

Single correct

Official A

All models correct

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Q4

Single correct

Official C

Claude Sonnet 5

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Q5

Multi correct

Official A, B, D

All models correct

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Q6

Multi correct

Official A, C

All models correct

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Q7

Multi correct

Official B, C

All models correct

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Q8

Multi correct

Official A, B, C

Claude Sonnet 5

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Q9

Numerical

Official 9.8

All models correct

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Q10

Numerical

Official 8

All models correct

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Q11

Numerical

Official 4

Claude Sonnet 5

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Q12

Numerical

Official 6

All models correct

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Q13

Matching

Official C

All models correct

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Q14

Matching

Official A

All models correct

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Q15

Matching

Official C

Claude Sonnet 5

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Q16

Matching

Official B

All models correct

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