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GCSE (AQA) Chemistry Test sobre AQA (9-1) Topic 10, creado por https:// revisechemistry.uk el 14/03/2018.

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AQA (9-1) Topic 10

Pregunta 1 de 8

1

Which of the following is a sustainable resource?

Selecciona una de las siguientes respuestas posibles:

  • Managed forest

  • Oil

  • Gold

  • Coal

Explicación

Pregunta 2 de 8

1

Rellena los espacios en blanco para completar el texto.

Complete the following sentences about treating fresh water.

In the United Kingdom (UK), rain provides water with low levels of dissolved substances (called water) that collects in the ground and in lakes and rivers.
To make this water potable, it must go through these steps:
- solids sink to the bottom and are removed
- fine particles like sand are removed
sterilising - microbes are

Explicación

Pregunta 3 de 8

1

Two new mobile phones have been designed, the one with the most positive LCA has been selected to be manufactured. Select from below a quality that would have contributed towards its selection:

Selecciona una de las siguientes respuestas posibles:

  • imported long distances

  • made from plastic

  • limited battery life

  • carbon neutral manufactoring

Explicación

Pregunta 4 de 8

1

Which of the following are the ways in which fresh water is sterilised?

Selecciona una o más de las siguientes respuestas posibles:

  • ozone

  • chlorine

  • ultraviolet radiation

  • infrared radiation

  • hydrogenation

Explicación

Pregunta 5 de 8

1

Rellena los espacios en blanco para completar el texto.

You need to know about these two methods, and be able to compare them to each other and traditional mining. Complete the sentences below.

Phytomining uses to absorb metal compounds. The plants are harvested and then to produce ash that contains metal compounds.
uses bacteria to produce solutions that contain metal compounds.

Explicación

Pregunta 6 de 8

1

The reduction in use, reuse, and recycling of materials reduces the use of: 

Selecciona una o más de las siguientes respuestas posibles:

  • environmental impacts

  • waste

  • energy sources

  • limited resources

  • cargo donkeys

  • transportation

  • musical chairs

Explicación

Pregunta 7 de 8

1

Put the following statements in the correct order to describe how waste water is treated:
A - sedimentation to produce sewage sludge and effluent
B - screening and grit removal
C - aerobic biological treatment of effluent
D - anaerobic digestion of sewage sludge

Selecciona una de las siguientes respuestas posibles:

  • B, A, D, C

  • A, B, D, C

  • B, D, C, A

  • A, D, C, B

Explicación

Pregunta 8 de 8

1

If supplies of are limited (such as on an small island), of (high salt levels) may be required. Desalination can be done by or by processes that use membranes such as . These processes require amounts of energy.

Arrastra y suelta para completar el texto.

    desalination
    sea water
    fresh water
    distillation
    reverse osmosis
    chromatography
    crystallisation
    large
    small

Explicación