1.1. The diagram shows a neutron colliding with a nucleus of uranium-235, producing a number of products.

Name the process shown in the diagram.

1.2. Explain how the process shown in the diagram can lead to a chain reaction.

1.3. This process releases energy.

Explain the energy transfer taking place in this reaction.

1.4. The energy released in this process can be used in a nuclear power station.

(i) The pressurised water acts as a coolant. It also acts as a moderator.

What is the purpose of a moderator?

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(ii) Complete the chart below to show the main useful energy transfers in a nuclear power station.

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