TEST 88Cambridge IELTS 13 · Questions 21–24Project on Using Natural Dyes to Colour FabricsChoose the correct letter, A, B or C.Project on using natural dyes to colour fabrics21What first inspired Jim to choose this project?Atextiles displayed in an exhibitionBa book about a botanic gardenCcarpets he saw on holiday22Jim eventually decided to do a practical investigation which involvedAusing a range of dyes with different fibres.Bapplying different dyes to one type of fibre.Ctesting one dye and a range of fibres.23When doing his experiments, Jim was surprised byAhow much natural material was needed to make the dye.Bthe fact that dyes were widely available on the internet.Cthe time that he had to leave the fabric in the dye.24What problem did Jim have with using tartrazine as a fabric dye?AIt caused a slight allergic reaction.BIt was not a permanent dye on cotton.CIt was ineffective when used on nylon.