Elements, compounds and mixtures: past paper questions

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• Question 3May/June 2026, paper 11Multiple choice1 markHas a diagram

  Which row about elements, mixtures and compounds is correct?

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• Question 3Oct/Nov 2025, paper 12Multiple choice1 mark

  Solid Y is added to an excess of hot water.

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• Question 2Oct/Nov 2023, paper 11Multiple choice1 mark

  Which substance is a pure compound?

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• Question 2May/June 2026, paper 13Multiple choice1 mark

  Which statement describes a compound?

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• Question 23Oct/Nov 2025, paper 13Multiple choice1 mark

  18 carat gold contains 75% gold and 25% copper by mass. Which statements about 18 carat gold are correct?

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• Question 4Oct/Nov 2024, paper 12Multiple choice1 markHas a diagram

  Which statement about the boxes P, Q and R is correct?

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• Question 2Oct/Nov 2023, paper 12Multiple choice1 mark

  Which statements about clean, dry air are correct?

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• Question 4Oct/Nov 2025, paper 22Multiple choice1 markHas a diagram

  Which row describes elements, compounds and mixtures?

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• Question 40Oct/Nov 2024, paper 12Multiple choice1 markHas a diagram

  Sample M contains calcium carbonate and sodium nitrate. The result of adding water to M, stirring and filtering is shown. No chemical reaction occurs.

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• Question 2Oct/Nov 2023, paper 13Multiple choice1 mark

  Which substance is a mixture?

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• Question 4May/June 2026, paper 22Multiple choice1 mark

  Which statement explains why water is a compound?

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• Question 4May/June 2025, paper 12Multiple choice1 mark

  Which substance is a mixture of one element and one compound?

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• Question 26Oct/Nov 2024, paper 13Multiple choice1 markHas a diagram

  Which diagram shows a mixture of noble gases?

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• Question 2May/June 2025, paper 13Multiple choice1 markHas a diagram

  Which diagram shows a mixture of an element and a compound?

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• Question 1Oct/Nov 2024, paper 31Structured8 marksHas a diagram

  Fig. 1.1 shows part of the Periodic Table. Answer the following questions using only the elements in Fig. 1.1. Each symbol of the element may be used once, more than once or not at all.

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• Question 1May/June 2026, paper 32Structured9 marksHas a diagram

  Six substances, A to F, are shown in Figure 1.1. Figure 1.1 Answer the following questions about these substances. Each substance may be used once, more than once or not at all.

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• Question 1May/June 2025, paper 41Structured10 marks

  A list of substances is shown. bauxite calcium oxide ethanol graphite methane nitrogen oxygen propane propene sulfur dioxide Answer the questions using the list of substances. Each substance may be used once, more than once, or not at all.

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• Question 1Oct/Nov 2024, paper 43Structured9 marks

  A list of substances is shown. bauxite carbon dioxide cryolite ethane ethanol ethene graphite helium hematite hydrogen silicon(IV) oxide sodium chloride Answer the following questions using only the substances from the list.

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• Question 2Oct/Nov 2023, paper 32Structured6 marksHas a diagram

  Petroleum is a mixture of hydrocarbons. Describe two characteristics of a mixture.

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• Question 1May/June 2025, paper 43Structured10 marks

  A list of substances is shown. aluminium oxide calcium oxide chlorine ethanol graphite nitrogen oxygen propane propene silicon(IV) oxide Answer the questions using the list of substances. Each substance may be used once, more than once, or not at all.

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• Question 3May/June 2024, paper 12Multiple choice1 mark

  Which statement is correct?

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• Question 2Oct/Nov 2023, paper 33Structured6 marksHas a diagram

  Hydrocarbons are compounds of carbon and hydrogen. State the meaning of the term compound.

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• Question 3May/June 2024, paper 13Multiple choice1 markHas a diagram

  Four substances in a mixture are listed. • calcium nitrate • iron(II) sulfate • oxygen • water Which statement describes the mixture?

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• Question 3May/June 2024, paper 23Multiple choice1 markHas a diagram

  Substances P and Q both conduct electricity. P is a mixture of two different types of atom. Q is made of only one type of atom.

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• Question 4May/June 2024, paper 32Structured7 marksHas a diagram

  Some plants produce ethene gas. Draw the displayed formula for a molecule of ethene.

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• Question 2May/June 2023, paper 13Multiple choice1 mark

  The diagrams represent some elements, compounds and mixtures. Which row describes the numbered substances?

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• Question 38May/June 2023, paper 22Multiple choice1 mark

  Rock salt is a mixture of salt and sand. The method used to separate the sand from the salt is listed. step 1 Crush the rock salt, add to warm water and stir.

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