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2010

Cambridge IGCSE · 0620 · Paper 2 · Theory (Core)

Chemistry 0620/21 Oct/Nov 2010 past paper

Cambridge IGCSE Chemistry (0620) Paper 2 (Theory (Core)), variant 1, Oct/Nov 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
Open the question paperMark scheme

File names: 0620_w10_qp_21 · 0620_w10_ms_21

Grade thresholds for 0620/21 Oct/Nov 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
0050038

Topics in this paper

Which syllabus chapters 0620/21 Oct/Nov 2010 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Acids, bases and salts220
Experimental techniques and chemical analysis112
Metals111
Organic chemistry111
Electrochemistry110
The Periodic Table19
Atoms, elements and compounds17

Questions in 0620/21 Oct/Nov 2010

  1. Question 1The Periodic Table · 9 marks

    For Examiner’s Use 1 The diagram below shows the elements in a period of the Periodic Table. Li Be …

  2. Question 2Acids, bases and salts · 10 marks

    For Examiner’s Use 2 Calcium carbonate was heated strongly in a test-tube. The gas given off was bubbled through limewater. heat calcium carbonate limewater (a) What type of chemical reaction occurs when calcium carbonate is heated strongly? Put a ring …

  3. Question 3Atoms, elements and compounds · 7 marks

    For Examiner’s Use 3 Helium and argon are noble gases. (a) State one use of helium. (b) The atomic structures of helium and argon are shown below. X helium argon (i) State the name of the central part of the …

  4. Question 4Experimental techniques and chemical analysis · 12 marks

    For Examiner’s Use 4 The table shows the mass of some ions present in a 500 cm3 bottle of mineral water. name of ion symbol mass of ion / mg calcium Ca2+ 40.5 Cl – 8.1 magnesium Mg2+ 11.6 nitrate …

  5. Question 5Acids, bases and salts · 10 marks

    For Examiner’s Use 5 A solution of calcium hydroxide in water is alkaline. (a) Which one of the pH values below is alkaline? Put a ring around the correct answer. pH 3 pH 6 pH 7 pH 11 (b) Which …

  6. Question 6Metals · 11 marks

    For Examiner’s Use 6 Iron is extracted from its ore by reduction with carbon. Aluminium is extracted from its ore by electrolysis. (a) (i) State the name of an ore of aluminium. (ii) What do you understand by the term …

  7. Question 7Organic chemistry · 11 marks

    For Examiner’s Use 7 Ethene, C2H4, is manufactured by cracking petroleum fractions. (a) (i) What do you understand by the term petroleum fraction ? (ii) Complete the equation for the manufacture of ethene from dodecane, …

  8. Question 8Electrochemistry · 10 marks

    For Examiner’s Use 8 Lead(II) bromide can be electrolysed using the apparatus shown below. heat + – graphite rod ceramic crucible lead(II) bromide graphite rod (a) Choose one word from the list below which describes the graphite rods. Put a …

Other Chemistry papers from Oct/Nov 2010

Questions students ask

Where can I get the 0620/21 Oct/Nov 2010 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0620_w10_ms_21), and on a wide screen it sits beside the question you are reading.
Which topics came up in 0620/21 Oct/Nov 2010?
Mostly Acids, bases and salts, Experimental techniques and chemical analysis, Metals. The full list is in the table above.
Do I need an account to open 0620/21 Oct/Nov 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.