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2010

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

Chemistry 0620/32 May/June 2010 past paper

Cambridge IGCSE Chemistry (0620) Paper 3 (Theory (Extended)), variant 2, May/June 2010: 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
40
Open the question paperMark scheme

File names: 0620_s10_qp_32 · 0620_s10_ms_32

Grade thresholds for 0620/32 May/June 2010

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
40021010

Topics in this paper

Which syllabus chapters 0620/32 May/June 2010 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Metals219
Acids, bases and salts114
Organic chemistry111
Chemical reactions110
Stoichiometry110
Chemical energetics18
Electrochemistry18

Questions in 0620/32 May/June 2010

  1. Question 1Metals · 6 marks

    For Examiner’s Use 1 For each of the following unfamiliar elements predict one physical and one chemical property. (a) caesium (Cs) physical property chemical property (b) vanadium (V) physical property chemical property (c) fl uorine (F) physical property chemical property

  2. Question 2Chemical reactions · 10 marks

    The hydrolysis of complex carbohydrates to simple sugars is catalysed by enzymes called carbohydrases and also by dilute acids. (a) (i) They are both catalysts. How do enzymes differ from catalysts such as dilute acids? (ii) Explain why ethanol, C2H6O, …

  3. Question 3Metals · 13 marks

    For Examiner’s Use 3 The following are examples of redox reactions. (a) Bromine water was added to aqueous sodium sulfi de. Br2(aq) + S2–(aq) → 2Br –(aq) …

  4. Question 4Organic chemistry · 11 marks

    But-1-ene is a typical alkene. It has the structural formula shown below. CH3 CH2 CH2 CH The structural formula of cyclobutane is given below. …

  5. Question 5Chemical energetics · 8 marks

    For Examiner’s Use 5 Fuel cells are used in spacecraft to produce electrical energy. hydrogen oxygen anode electrolyte cathode (a) How is oxygen obtained from liquid air? (b) Hydrogen and oxygen react to form water. …

  6. Question 6Acids, bases and salts · 14 marks

    For Examiner’s Use 6 Thallium is a metal in Group III. It has oxidation states of +1 and +3. (a) Give the formula for the following thallium compounds. (i) thallium(I) sulfi de (ii) thallium(III) chloride (b) Thallium(I) chloride is insoluble …

  7. Question 7Electrochemistry · 8 marks

    For Examiner’s Use 7 Aluminium was fi rst isolated in 1827 using sodium. Al Cl 3 + 3Na → Al + 3NaCl Aluminium, obtained by this method, was more expensive than gold. (a) Suggest an explanation why aluminium was so …

  8. Question 8Stoichiometry · 10 marks

    For Examiner’s Use 8 Nitrogen dioxide is a brown gas. It can be made by heating certain metal nitrates. 2Pb(NO3)2 → 2PbO + 4NO2 …

Other Chemistry papers from May/June 2010

Questions students ask

Where can I get the 0620/32 May/June 2010 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_s10_ms_32), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0620/32 May/June 2010?
40 marks out of 80, a C needed 21.
Which topics came up in 0620/32 May/June 2010?
Mostly Metals, Acids, bases and salts, Organic chemistry. The full list is in the table above.
Do I need an account to open 0620/32 May/June 2010?
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.