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2013

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

Chemistry 0620/33 May/June 2013 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 3, May/June 2013: 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
39
Open the question paperMark scheme

File names: 0620_s13_qp_33 ยท 0620_s13_ms_33

Grade thresholds for 0620/33 May/June 2013

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
39024011

Topics in this paper

Which syllabus chapters 0620/33 May/June 2013 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Chemical reactions223
Acids, bases and salts116
Organic chemistry115
Chemistry of the environment19
Atoms, elements and compounds19
Metals18

Questions in 0620/33 May/June 2013

  1. Question 1Chemistry of the environment ยท 9 marks

    For Examinerโ€™s Use 1 Substances can be classi๏ฌ ed as: elements mixtures compounds Elements can be divided into: metals non-metals (a) De๏ฌ ne each of the following terms. (i) element (ii) compound (iii) mixture (b) Classify each of the following โ€ฆ

  2. Question 2Chemical reactions ยท 11 marks

    For Examinerโ€™s Use 2 One of the factors which determine the reaction rate of solids is particle size. (a) A mixture of ๏ฌ nely powdered aluminium and air may explode when ignited. An explosion is a very fast exothermic reaction. โ€ฆ

  3. Question 3Metals ยท 8 marks

    For Examinerโ€™s Use 3 Iron from the blast furnace is impure. It contains 5% of impurities, mainly carbon, sulfur, silicon and phosphorus. Almost all of this impure iron is converted into the alloy, mild steel. (a) (i) State a use โ€ฆ

  4. Question 4Atoms, elements and compounds ยท 9 marks

    Germanium is an element in Group IV. The electron distribution of a germanium atom is โ€ฆ

  5. Question 5Chemical reactions ยท 12 marks

    All metal nitrates decompose when heated. A few form a nitrite and oxygen. Most form the metal oxide, oxygen and a brown gas called nitrogen dioxide. (a) (i) Name a metal whose nitrate decomposes to form the metal nitrite and โ€ฆ

  6. Question 6Acids, bases and salts ยท 16 marks

    For Examinerโ€™s Use 6 Sulfuric acid and malonic acid are both dibasic acids. One mole of a dibasic acid can form two moles of hydrogen ions. H2SO4 โ€ฆ

  7. Question 7Organic chemistry ยท 15 marks

    Alkanes and alkenes are both series of hydrocarbons. (a) (i) Explain the term hydrocarbon. (ii) What is the difference between these two series of hydrocarbons? (b) Alkenes and simpler alkanes are made from long-chain alkanes by cracking. Complete the following โ€ฆ

Other Chemistry papers from May/June 2013

Questions students ask

Where can I get the 0620/33 May/June 2013 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_s13_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 2013?
39 marks out of 80, a C needed 24.
Which topics came up in 0620/33 May/June 2013?
Mostly Chemical reactions, Acids, bases and salts, Organic chemistry. The full list is in the table above.
Do I need an account to open 0620/33 May/June 2013?
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.