Which arrangement would produce a voltage?
two magnesium strips dipped in dilute sulfuric acid
zinc and copper strips dipped in glucose dissolved in distilled water
zinc and copper strips pressed into dry solid sodium chloride
zinc and iron strips dipped in sodium chloride solution
42 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.