Chemical changes 0.0 / 5 ? ScienceChemical reactionsGCSEAQA Created by: zellasCreated on: 24-04-19 22:09 What is the salt name for hydrochloride acid Chloride 1 of 16 What is the most reactive element Potassium 2 of 16 What is the least reactive element Platinum 3 of 16 What are carbon and hydrogen Non-metals 4 of 16 What do carbon and hydrogen do Extract metals from their ores 5 of 16 What is displacement When a reactive metal reacts with a less reactive metal it displaces it 6 of 16 What do group 1 metals do Get more vigorous as you go down with water and acids 7 of 16 What do group 2 metals do Dont react with water but fizz and the temperature changes when it reacts with acid 8 of 16 What do zinc, iron and copper do Don't react with water and react slowly with acid except from copper which doesn't 9 of 16 What do metals form Positive ions 10 of 16 What is it called when oxygen is removed from a compound Reduction 11 of 16 What is oxidation When oxygen is gained by a compound 12 of 16 What is an alkali A soluble base 13 of 16 What is a base A substance that neutralises an acid 14 of 16 Metals and acids are what type of reaction Redox 15 of 16 What do metals donate to hydrogen ions Electrons which dispaces hydrogen as a gas and metal ions left in solution 16 of 16
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