This resource is on the different test for gases needed at GCSE level including, hydrogen, oxygen, chlorine and carbon dioxide. Slides Include: Slide 1 - Title page and starter questions Slide 2 - Answers for self assessment Slide 3 - Test for Hydrogen Slide 4 - Test for oxygen Slide 5 - Shows a glowing splint being relighted in the presence of oxygen Slide 6 - Quick check question Slide 7 - Test for Carbon Dioxide Slide 8 - Test for Chlorine Slide 9 - True or False Questions Slide 10 - Table with all the tests Slide 11 - Short video of the test for hydrogen and oxygen to clear any misconceptions Slide 12 - Comprehension Questions Slide 13 - Answers

This resource is on the factors that affect the rate of reaction including the following: A comprehensive starter with 6 questions The factors that affect the rate of reaction (e.g. temperature, concentration, surface area, catalyst) The collision theory, why these factors affect the rate of reaction Required practical on the investigation to determine how temperature affects the rate of reaction (e.g. disappearing cross experiment) and evaluate the reliability of the results produced. Includes comprehension and challenge questions to assess and stretch pupils.