SECTION 3

Questions 21 – 24

Choose the correct letter, A, B or C.

Project on using natural dyes to colour fabrics

21   What first inspired Jim to choose this project?

A   textiles displayed in an exhibition

B   a book about a botanic garden

C   carpets he saw on holiday

22   Jim eventually decided to do a practical investigation which involved

A   using a range of dyes with different fibres.

B   applying different dyes to one type of fibre.

C   testing one dye and a range of fibres.

23   When doing his experiments, Jim was surprised by

A   how much natural material was needed to make the dye.

B   the fact that dyes were widely available on the internet.

C   the time that he had to leave the fabric in the dye.

24   What problem did Jim have with using tartrazine as a fabric dye?

A   It caused a slight allergic reaction.

B   It was not a permanent dye on cotton.

C   It was ineffective when used on nylon.

Questions 25 – 30

What problem is identified with each of the following natural dyes?

Choose SIX answers from the box and write the correct letter, A-H, next to Questions 25-30

Problems

A     It is expensive.

B     The colour is too strong.

C     The colour is not long-lasting.

D     It is very poisonous.

E     It can damage the fabric.

F     The colour may be unexpected.

G     It is unsuitable for some fabrics.

H     It is not generally available

Natural dyes

25   turmeric                      ……………

26   beetroot                     ……………

27   Tyrian purple             ……………

28   logwood                     ……………

29   cochineal                    ……………

30   metal oxide                ……………