CSEC Chemistry · January 2009 · Paper 2 · Question 6(b)(iii)
Most dyes are classified as direct dyes or mordant dyes.
Suggest a fabric for which direct dyeing can be used.
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Practise this questionOther parts of this question
- 6(a)(i)Name TWO types of glass used in and around the home.[2 marks]
- 6(a)(ii)Identify the MAIN components for ONE of the types of glass named in (a)(i) above.[2 marks]
- 6(a)(iii)a)State ONE property of EACH of the two types of glass named in (a) (i) above.[4 marks]
- 6(a)(iii)b)Relate the property to the use of the type of glass.[1 mark]
- 6(b)(i)Compare the mode of action of direct dyes to that of mordant dyes.[3 marks]
- 6(b)(ii)Suggest why mordant dyes are used when dyeing cotton fabrics.[3 marks]
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