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Chapter 18 Practice Paper: Using resources — question paper

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GCSE (9–1) · GCSE Chemistry (Foundation and Higher)

Chapter 18 Practice Paper

Using resources

Duration: 40 minutes
Total: 30 marks
Name:
Class:
Register No.:
Date:

READ THESE INSTRUCTIONS FIRST

  • Answer all questions.
  • Section A contains ten multiple-choice questions. Choose one answer, A, B, C or D, for each.
  • Section B contains structured questions. Write your answers in the spaces provided.
  • The number of marks is given in brackets [ ] at the end of each question or part question.
  • The total mark for this paper is 30.

Original practice material written for the MOE GCSE Chemistry syllabus. It is not an official MOE or school examination paper. Chapter 18: finite and renewable resources, potable water and the water-analysis practical, waste water treatment, life cycle assessments and recycling, and (Chemistry only) corrosion, alloys, ceramics, polymers and composites.

For Examiner’s Use
Section A/ 10
Section B/ 20
Total/ 30

Section A: Multiple-choice questions[10 marks]

Choose one answer for each question. Each question is worth 1 mark.

  1. 1

    Water that is safe to drink is called

    1. Adistilled water
    2. Bpure water
    3. Cpotable water
    4. Dsaline water
    ( )
  2. 2

    The UK water treatment sequence is

    1. Asedimentation, filtration, sterilisation
    2. Bsterilisation, boiling, freezing
    3. Cfiltration, distillation, fluoridation
    4. Dsedimentation, desalination, ion exchange
    ( )
  3. 3

    Reverse osmosis pushes seawater through

    1. Afilter paper
    2. Ba metal sieve
    3. Ca bed of charcoal
    4. Da membrane that blocks dissolved ions
    ( )
  4. 4

    Anaerobic digestion of sewage sludge produces

    1. Abiogas
    2. Bplastic
    3. Cglass
    4. Dammonia only
    ( )
  5. 5

    LCA stands for

    1. Alocal cycling association
    2. Blight carbon analysis
    3. Clife cycle assessment
    4. Dlong-chain alkene
    ( )
  6. 6

    Recycling aluminium saves enormous energy because

    1. Aextracting aluminium from its ore by electrolysis is very energy-intensive
    2. Baluminium cannot be melted
    3. Crecycling adds new aluminium atoms
    4. Dore is cheaper than scrap
    ( )
  7. 7

    (Chemistry only) Rusting of iron requires iron in contact with

    1. Anitrogen only
    2. Boxygen and water
    3. Csalt only
    4. Dcarbon dioxide only
    ( )
  8. 8

    (Chemistry only) Galvanising steel means coating it with

    1. Agold
    2. Bcopper
    3. Ctin
    4. Dzinc
    ( )
  9. 9

    (Chemistry only) Which metal is mixed with copper to make bronze?

    1. Azinc
    2. Btin
    3. Cnickel
    4. Dsilver
    ( )
  10. 10

    (Chemistry only) Fibreglass is best described as

    1. Aa composite of glass fibres in a polymer matrix
    2. Ba pure element
    3. Can alloy of glass and metal
    4. Da ceramic made from sand only
    ( )

Section B: Structured questions[20 marks]

Answer all questions in the spaces provided.

  1. 11

    A student analyses two water samples as part of the required practical.

    1. (a)

      Explain why potable water is not chemically pure water.

      [1]
    2. (b)

      Describe how to find the mass of dissolved solids in 50 cm³ of a sample.

      [2]
    3. (c)

      State how the sample’s pH should be measured.

      [1]
    4. (d)

      Describe how to obtain pure water from the sample.

      [1]
  2. 12

    This question is about a sewage treatment works.

    1. (a)

      Describe what happens during screening and sedimentation.

      [2]
    2. (b)

      State what happens to the sludge and name the useful product.

      [2]
    3. (c)

      Describe the aerobic biological treatment of the effluent.

      [2]
    4. (d)

      Explain why untreated sewage must not be released into rivers.

      [3]
  3. 13

    (Chemistry only) A drinks company is choosing between new and recycled aluminium for cans.

    1. (a)

      Name the ore of aluminium and describe the process used to extract the metal from it.

      [2]
    2. (b)

      Give two environmental reasons for choosing recycled aluminium instead of new metal.

      [2]
    3. (c)

      Suggest one reason a light metal such as aluminium works well for a drinks can.

      [1]
    4. (d)

      Name the LCA stage at which the recycled metal re-enters the product’s story.

      [1]

— End of paper —