A student investigates the rate of reaction between zinc pieces and dilute sulfuric acid.
Which of the following changes would increase the rate of this reaction?
Use a larger conical flask for the reaction
Use powdered zinc instead of zinc pieces
Use a larger volume of the same dilute sulfuric acid
Decrease the temperature of the acid
127 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.