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Thermal decomposition past paper questions

Chemistry 9701 · Group 2. Group 2 nitrates and carbonates and the trend in stability

In Cambridge A Level Chemistry 9701, Thermal decomposition came up in 74 of the 139 papers on Paperstreak, for about 1 marks a paper when it does. It last came up in October/November 2025.

Often set with Group 2 oxides, hydroxides and carbonates, Group 2 trends and solubility, Group 2 metal reactions, Particles in the atom and atomic radius.

78 questions, newest first

1. 9701/11/O/N/25 Question 20 · 1 mark
2. 9701/12/O/N/25 Question 19 · 1 mark
3. 9701/13/O/N/25 Question 20 · 1 mark
4. 9701/21/O/N/25 Question 2 part (d(ii)) · 1 mark
5. 9701/22/O/N/25 Question 2 parts (f(ii)) (f(iii)) · 2 marks
6. 9701/23/O/N/25 Question 2 parts (d(i)) (d(ii)) · 2 marks
7. 9701/11/M/J/25 Question 21 · 1 mark
8. 9701/11/M/J/25 Question 23 · 1 mark
9. 9701/12/O/N/24 Question 20 · 1 mark
10. 9701/22/O/N/24 Question 3 part (a(v)) · 1 mark
11. 9701/11/M/J/24 Question 20 · 1 mark
12. 9701/12/M/J/24 Question 17 · 1 mark
13. 9701/13/M/J/24 Question 19 · 1 mark
14. 9701/22/M/J/24 Question 2 part (c) · 2 marks
15. 9701/23/M/J/24 Question 1 part (d(ii)) · 1 mark
16. 9701/12/F/M/24 Question 22 · 1 mark
17. 9701/11/O/N/23 Question 21 · 1 mark
18. 9701/12/O/N/23 Question 23 · 1 mark
19. 9701/21/O/N/23 Question 2 parts (b(i)) (b(ii)) · 2 marks
20. 9701/22/O/N/23 Question 2 parts (f(ii)) (f(iii)) · 2 marks
21. 9701/23/O/N/23 Question 2 parts (b(i)) (b(ii)) · 2 marks
22. 9701/11/M/J/23 Question 16 · 1 mark
23. 9701/23/M/J/23 Question 2 part (b) · 1 mark
24. 9701/12/O/N/22 Question 19 · 1 mark
25. 9701/21/O/N/22 Question 2 part (b(iii)) · 1 mark
26. 9701/23/O/N/22 Question 2 part (b(iii)) · 1 mark
27. 9701/11/M/J/22 Question 21 · 1 mark
28. 9701/13/M/J/22 Question 21 · 1 mark
29. 9701/21/M/J/22 Question 1 part (b(i)) · 1 mark
30. 9701/11/O/N/21 Question 15 · 1 mark
31. 9701/12/O/N/21 Question 14 · 1 mark
32. 9701/13/O/N/21 Question 15 · 1 mark
33. 9701/21/O/N/21 Question 2 parts (a(ii)) (a(iii)) · 2 marks
34. 9701/23/O/N/21 Question 2 parts (a(ii)) (a(iii)) · 2 marks
35. 9701/11/M/J/21 Question 15 · 1 mark
36. 9701/12/M/J/21 Question 15 · 1 mark
37. 9701/21/M/J/21 Question 1 parts (b(ii)) (b(iii)) · 2 marks
38. 9701/22/M/J/21 Question 1 part (f(i)) · 3 marks
39. 9701/12/F/M/21 Question 15 · 1 mark
40. 9701/12/O/N/20 Question 16 · 1 mark
41. 9701/21/O/N/20 Question 2 part (c(i)) · 1 mark
42. 9701/23/O/N/20 Question 2 part (c(i)) · 1 mark
43. 9701/12/M/J/20 Question 13 · 1 mark
44. 9701/13/M/J/20 Question 35 · 1 mark
45. 9701/23/M/J/20 Question 1 parts (b(i)) (b(ii)) · 4 marks
46. 9701/12/F/M/20 Question 17 · 1 mark
47. 9701/11/O/N/19 Question 14 · 1 mark
48. 9701/13/O/N/19 Question 14 · 1 mark
49. 9701/11/M/J/19 Question 36 · 1 mark
50. 9701/12/M/J/19 Question 16 · 1 mark
51. 9701/12/M/J/19 Question 35 · 1 mark
52. 9701/23/M/J/19 Question 3 parts (d(i)) (d(ii)) · 2 marks
53. 9701/12/F/M/19 Question 15 · 1 mark
54. 9701/11/O/N/18 Question 15 · 1 mark
55. 9701/12/O/N/18 Question 14 · 1 mark
56. 9701/13/O/N/18 Question 15 · 1 mark
57. 9701/21/O/N/18 Question 2 part (d(iv)) · 1 mark
58. 9701/23/O/N/18 Question 2 part (d(iv)) · 1 mark
59. 9701/11/M/J/18 Question 18 · 1 mark
60. 9701/12/F/M/18 Question 5 · 1 mark
61. 9701/12/O/N/17 Question 14 · 1 mark
62. 9701/12/O/N/17 Question 19 · 1 mark
63. 9701/22/O/N/17 Question 3 part (c(iii)) · 2 marks
64. 9701/11/M/J/17 Question 15 · 1 mark
65. 9701/13/M/J/17 Question 35 · 1 mark
66. 9701/21/M/J/17 Question 3 parts (c(i)) (c(ii)) · 3 marks
67. 9701/12/F/M/17 Question 18 · 1 mark
68. 9701/11/O/N/16 Question 16 · 1 mark
69. 9701/12/O/N/16 Question 17 · 1 mark
70. 9701/12/O/N/16 Question 35 · 1 mark
71. 9701/13/O/N/16 Question 16 · 1 mark
72. 9701/21/O/N/16 Question 3 parts (b(i)) (b(iii)) · 3 marks
73. 9701/23/O/N/16 Question 3 parts (b(i)) (b(iii)) · 3 marks
74. 9701/12/M/J/16 Question 14 · 1 mark
75. 9701/13/M/J/16 Question 15 · 1 mark
76. 9701/21/M/J/16 Question 3 parts (c(i)) (c(ii)) (c(iii)) · 3 marks
77. 9701/12/F/M/16 Question 36 · 1 mark
78. 9701/22/F/M/16 Question 1 part (b(i)) · 4 marks

More in Group 2: Group 2 metal reactions, Group 2 oxides, hydroxides and carbonates, Group 2 trends and solubility.

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