A nation must construct new power stations so that electricity is available for homes and industry. One kind of power station is a coal-fired power station.
(a)[4]
Describe the way the energy stored in coal is used in a coal-fired power station in order to generate electrical energy.
(b)[1]
Explain what is meant by not very efficient.
(c)[2]
Apart from cost and efficiency, give two further reasons why a coal-fired power station should not be built.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Coal undergoes combustion” …