2024

Cambridge IGCSE ยท 0620 ยท Paper 3 ยท Theory (Core)

Chemistry 0620/33 Oct/Nov 2024 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Core)), variant 3, Oct/Nov 2024: the question paper and its official mark scheme, 8 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.

Questions
8
Marks
80
Grade A from
45

File names: 0620_w24_qp_33 ยท 0620_w24_ms_33

Grade thresholds for 0620/33 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.

ABCDE
4538312418

Topics in this paper

Which syllabus chapters 0620/33 Oct/Nov 2024 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Atoms, elements and compounds327
Stoichiometry219
Organic chemistry113
Experimental techniques and chemical analysis111
Acids, bases and salts110

Questions in 0620/33 Oct/Nov 2024

  1. Question 1Atoms, elements and compounds ยท 8 marks

    Fig. 1.1 shows part of the Periodic Table. I II III IV V VI VII VIII Li Al N K Rb Ca Zn Au Ag Fe Cr H I Ne He Fig. 1.1 (a) Answer the following questions using only โ€ฆ

  2. Question 2Atoms, elements and compounds ยท 8 marks

    Oxygen, water and ethene have simple molecular structures. (a) (i) State the percentage of oxygen in clean, dry air. (ii) Complete Fig. 2.1 to show the dot-and-cross diagram for a molecule of water. Show outer shell electrons only. โ€ฆ

  3. Question 3Stoichiometry ยท 11 marks

    (a) The list shows some gases in a sample of water. Choose from the list the gas that is essential for aquatic life. Draw a circle around your chosen answer. argon hydrogen nitrogen oxygen (b) Polluted water contains harmful substances. โ€ฆ

  4. Question 4Organic chemistry ยท 13 marks

    (a) Fig. 4.1 shows the displayed formula of compound โ€ฆ

  5. Question 5Experimental techniques and chemical analysis ยท 11 marks

    (a) Table 5.1 shows some properties of ๏ฌve halogens. Table 5.1 halogen melting point in ยฐC boiling point in ยฐC atomic volume in cm3 / mol ๏ฌ‚uorine โ€“220 โ€“188 chlorine โ€ฆ

  6. Question 6Atoms, elements and compounds ยท 11 marks

    This question is about metals. (a) Metals are malleable and ductile. State three other typical physical properties of metals. โ€ฆ

  7. Question 7Acids, bases and salts ยท 10 marks

    This question is about acids, bases and salts. (a) Crystals of zinc chloride can be made by warming excess solid zinc oxide with dilute hydrochloric acid. ZnO(s) + 2HCl (aq) โ†’ ZnCl 2(aq) โ€ฆ

  8. Question 8Stoichiometry ยท 8 marks

    (a) A student investigates the reaction of small pieces of magnesium oxide with excess dilute hydrochloric acid of three di๏ฌ€erent concentrations. The time taken for each reaction to ๏ฌnish is recorded. The three concentrations of the acid are: โ— 0.4 โ€ฆ

Other Chemistry papers from Oct/Nov 2024

Questions students ask

Where can I get the 0620/33 Oct/Nov 2024 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_w24_ms_33), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0620/33 Oct/Nov 2024?
45 marks out of 80, a C needed 31.
Which topics came up in 0620/33 Oct/Nov 2024?
Mostly Atoms, elements and compounds, Stoichiometry, Organic chemistry. The full list is in the table above.
Do I need an account to open 0620/33 Oct/Nov 2024?
No. Every paper opens for free without signing in. A free account also saves your pen marks and records your score against the grade thresholds.