A battery has an initial voltage of 9.0 V. Give one reason why the voltage of this battery decreases when it is left connected in a closed circuit.
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Markscheme
6.4 Chemical cells and fuel cells Questions
17 exam-style questions on Edexcel GCSE Chemistry 6.4 Chemical cells and fuel cells, covering 6.4.1 Chemical cells and fuel cells. Each one has a worked solution and a mark scheme showing where the marks go.