IGCSE Chemistry 0620/42 October/November 2025 — question paper & mark scheme (0620_w25_qp_42) | AssessPro

IGCSE0620_w25_qp_42Written

Chemistry 0620/42 — October/November 2025

Paper 4 Theory (Extended) (variant 2)

Question paper Mark scheme

Question 6d(i) is highlightedBack to it PDF preview

Page 1 of 16

Page 2 of 16

Page 3 of 16

Page 4 of 16

Page 5 of 16

Page 6 of 16

Page 7 of 16

Page 8 of 16

Page 9 of 16

Page 10 of 16

Page 11 of 16

Page 12 of 16

Page 13 of 16

Page 14 of 16

Page 15 of 16

Page 16 of 16

For the whole October/November 2025 seriesGrade thresholds

Grade boundaries for 0620/42

Grade	A	B	C	D	E	F	G
Marks	48	36	24	20	14	10	6

Minimum raw mark out of 80, from Cambridge's October/November 2025 grade thresholds. Cambridge sets A* only for the whole subject.

Also in October/November 20250620/11Paper 1 Multiple Choice (Core)0620/12Paper 1 Multiple Choice (Core)0620/13Paper 1 Multiple Choice (Core)0620/21Paper 2 Multiple Choice (Extended)0620/22Paper 2 Multiple Choice (Extended)0620/23Paper 2 Multiple Choice (Extended)0620/31Paper 3 Theory (Core)0620/32Paper 3 Theory (Core)0620/33Paper 3 Theory (Core)0620/41Paper 4 Theory (Extended)0620/43Paper 4 Theory (Extended)0620/52Paper 5 Practical Test 0620/53Paper 5 Practical Test 0620/61Paper 6 Alternative to Practical 0620/62Paper 6 Alternative to Practical 0620/63Paper 6 Alternative to Practical

Paper 4 Theory (Extended) — other years0620/42May/June 2026 0620/43May/June 2026 0620/41May/June 2026 0620/42February/March 2026 0620/41October/November 2025 0620/43October/November 2025 0620/41May/June 2025 0620/42May/June 2025 All Chemistry papers →