2014

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

Chemistry 0620/33 May/June 2014 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 3, May/June 2014: 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
40

File names: 0620_s14_qp_33 ยท 0620_s14_ms_33

Grade thresholds for 0620/33 May/June 2014

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
4033261912

Topics in this paper

Which syllabus chapters 0620/33 May/June 2014 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Metals226
Organic chemistry225
Chemistry of the environment223
States of matter16

Questions in 0620/33 May/June 2014

  1. Question 1Chemistry of the environment ยท 7 marks

    Choose a gas from the following list to answer the questions below. Each gas may be used once, more than once or not at all. ammonia carbon dioxide carbon monoxide ๏ฌ‚ uorine hydrogen krypton nitrogen propene sulfur dioxide (a) It โ€ฆ

  2. Question 2States of matter ยท 6 marks

    Explain each of the following in terms of the kinetic particle theory. (a) The rate of most reactions increases at higher temperatures. (b) A liquid has a ๏ฌ xed volume but takes up the shape of the container. A gas โ€ฆ

  3. Question 3Organic chemistry ยท 9 marks

    (a) Biological catalysts produced by microbes cause food to deteriorate and decay. (i) What is the name of these biological catalysts? (ii) Freezing does not kill the microbes. Suggest why freezing is still a very effective way of preserving food. โ€ฆ

  4. Question 4Metals ยท 14 marks

    Iron from a blast furnace contains about 5% of the impurities โ€“ carbon, silicon, phosphorus and sulfur. Most of this impure iron is used to make steels, such as mild steel, and a very small percentage is used to make โ€ฆ

  5. Question 5Chemistry of the environment ยท 16 marks

    Ammonia is made by the Haber process. โ€ฆ

  6. Question 6Organic chemistry ยท 16 marks

    The alkanes are a family of saturated hydrocarbons. Their reactions include combustion, cracking and substitution. (a) (i) What is meant by the term hydrocarbon? (ii) What is meant by the term saturated โ€ฆ

  7. Question 7Metals ยท 12 marks

    Aluminium is obtained from puri๏ฌ ed alumina, Al 2O3, by electrolysis. (a) Alumina is obtained from the main ore of aluminium. State the name of this ore. (b) Describe the extraction of aluminium from alumina. Include the electrolyte, the electrodes โ€ฆ

Other Chemistry papers from May/June 2014

Questions students ask

Where can I get the 0620/33 May/June 2014 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_s14_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 May/June 2014?
40 marks out of 80, a C needed 26.
Which topics came up in 0620/33 May/June 2014?
Mostly Metals, Organic chemistry, Chemistry of the environment. The full list is in the table above.
Do I need an account to open 0620/33 May/June 2014?
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.