C6 OCR C6 OCR (Part 1) 3.5 / 5 based on 5 ratings ? ChemistryGCSEOCR Created by: LauraCreated on: 12-06-11 22:00 What's a Redox reaction? Where electrons are transfered 1 of 11 What's Oxidation? Loss of electrons 2 of 11 What's a displacement reaction? A more reactive metal replaces a less reactive metal 3 of 11 What's exothermic, and what does it do to the bonds? Gives out heat and forms bonds 4 of 11 What's endothermic, and what does it do to the bonds? Takes in heat and breaks bonds 5 of 11 The further away metals are in the reactivity series, the higher the temperature change in the displacement reaction? True 6 of 11 Rusting is a ______ reaction (Missing word?) Redox 7 of 11 What's the correct word equation for the rusting of iron? Iron+Oxygen+Water --> Hydrated Iron Oxide 8 of 11 How does painting, greasing and oiling prevent rust? A protective barrier from oxygen and water 9 of 11 What is galvanising? Putting a layer of Zinc on top of a metal 10 of 11 What's a fuel cell? An electrical cell that produces electricity from a fuel and oxygen 11 of 11
Comments
No comments have yet been made