Cambridge O Level · 5070 · Paper 2 · Theory
Chemistry 5070/22 Oct/Nov 2024 past paper
Cambridge O Level Chemistry (5070) Paper 2 (Theory), variant 2, Oct/Nov 2024: the question paper and its official mark scheme, 7 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 7
- Marks
- 80
- Grade A from
- 55
File names: 5070_w24_qp_22 · 5070_w24_ms_22
Grade thresholds for 5070/22 Oct/Nov 2024
The minimum raw marks Cambridge set for each grade on this component (out of 80). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E |
|---|---|---|---|---|
| 55 | 39 | 24 | 19 | 13 |
Topics in this paper
Which syllabus chapters 5070/22 Oct/Nov 2024 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Chemical reactions | 1 | 17 |
| Atoms, elements and compounds | 2 | 16 |
| Metals | 1 | 14 |
| Stoichiometry | 1 | 14 |
| Organic chemistry | 1 | 13 |
| Electrochemistry | 1 | 6 |
Questions in 5070/22 Oct/Nov 2024
- Question 1
(a) Fig. 1.1 shows the electronic configurations of five atoms, …
- Question 2
Iron is extracted in the blast furnace by the reduction of iron(III) oxide, Fe2O3. This process is made up of three steps. (a) (i) In step 1, carbon burns in air to produce carbon dioxide. Give one other reason why …
- Question 3
Fig. 3.1 shows the apparatus used for the electrolysis of dilute sulfuric acid using graphite electrodes. + – power supply Fig. 3.1 (a) Define the term electrolysis. (b) Label the anode on Fig. …
- Question 4
This question is about alkanes and alkenes. (a) Butane belongs to the alkane homologous series. Members of the same homologous series have the same functional group and the same general formula. State two other characteristics of a homologous series. …
- Question 5
A student adds large pieces of zinc to dilute hydrochloric acid. The zinc is in excess. (a) Complete the equation by adding state symbols for the products. Zn(s) + 2HCl (aq) ZnCl …
- Question 6
Fig. 6.1 shows the structures of boron nitride and hydrazine. Boron nitride has a structure similar to diamond. boron atoms hydrazine nitrogen atoms Key …
- Question 7
Esters are represented by the formula CnH2nO2. (a) (i) State the name given to a formula such as CnH2nO2. (ii) Deduce the value of n in the ester propyl ethanoate. (b) The ester ethyl butanoate is produced by reacting ethanol …
Other Chemistry papers from Oct/Nov 2024
- 5070/11 Multiple choice
- 5070/12 Multiple choice
- 5070/21 Theory
- 5070/41 Alternative to Practical
- 5070/42 Alternative to Practical