Describe, giving equation, a chemical reaction which is characteristic of saturated hydrocarbons (or alkanes).

36 What happens when ethanoic acid reacts with sodium carbonate? Write chemical equation of the reaction involved. 36 Give a test that can be used to differentiate chemically between butter and cooking oil. 37 What is an oxidising agent? Name two oxidising agents which can oxidise ethanol to ethanoic acid. 37 Describe one reaction of a carboxylic acid.