Chemistry Paper 2 : Aqa Already Passed

The combustion of hydrocarbon fuels releases.. {Ans: energy}reversible reaction for hydrated copper sulphate {Ans: }Stationary phase {Ans: paper}Sodium hydroxide solution can be used to identify {Ans: metal cations}What is a fraction ? {Ans: a group of hydrocarbons with similar number of carbon atoms}What is the reaction of carboxylic acid with a metal hydroxide? {Ans: Carboxylic acid + metal hydroxide âž” salt + water}