A student investigates the rate of reaction between zinc granules and dilute sulfuric acid. They collect the hydrogen gas produced in a gas syringe.
State how the student will know from the gas syringe that the reaction has finished.
87 exam-style questions on Edexcel GCSE Chemistry 8.1 Rates of reaction, covering 8.1.1 Measuring and interpreting rates of reaction, 8.1.2 Collision theory and the factors affecting rate, and 8.1.3 Catalysts and enzymes. Each one has a worked solution and a mark scheme showing where the marks go.