GCSE CHEMISTRY CARDS 0.0 / 5 ? ChemistryCooking and food additivesGCSEAQA Created by: faheembuttCreated on: 08-06-14 11:29 What is needed for a reduction reaction of a metal oxide? Heat and carbon 1 of 8 What is formed when an emulsifier is added to oil and water? An emulsion! 2 of 8 Metal + Acid --> ?? Salt + Hydrogen 3 of 8 Metal Oxide + Carbon --> ??? (Reduction reaction) Metal + Carbon Dioxide 4 of 8 How does an ionic bond form? Metals lose electrons forming positive ions. Non metals gain electrons forming negative ions. 5 of 8 What are the advantages of bioleaching? -No waste gases produced eg CO2 -Doesn't damage landscape 6 of 8 What is the product of hydrogen as a fuel? Water 7 of 8 What is the reaction where oxygen is removed from a metal? Reduction 8 of 8
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