Chemical reactions 5.0 / 5 based on 1 rating ? ChemistryChemical patterns and reactivity seriesGCSEOther Created by: samsamnicCreated on: 05-10-15 19:30 What is Combustion? A chemical combination of a substance with oxygen, creating heat and light 1 of 12 What does Endothermic mean? When a substance absorbs Heat 2 of 12 what is the missing gaps? sodium+sulphuric acid = + sodium+sulphuric acid = sodium sulphate + hydrogen 3 of 12 what is always added at the end of a metal plus acid equation ---+---=---+hydrogen 4 of 12 balance this equation h2+cl1= hcl =2hcl 5 of 12 when reacting a metal with acid what do you change the metal too? the acid it is being reacted to eg. sodium plus sulphuric acid makes the sodium sulphate 6 of 12 hydrochloric acid in its metal form chloride 7 of 12 nitric acid in its metal form nitrate 8 of 12 sulphuric acid in its metal form sulphate 9 of 12 what makes limewater cloudy carbon dioxide 10 of 12 what causes rust? The mix of iron with water and oxygen 11 of 12 when copper carbonate is heated what are the outcomes? A black substance called copper oxide and carbon dioxide is emitted 12 of 12
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