Question 2.4 (Textile Engineering & Fibre Science)
A sample ‘F’ is a physical mixture of two fibres. The analysis of the mixture shows the following characteristics: Mixed odour on burning; Partial dissolution in N, N dimethyl foramide; Presence of nitrogen and absence of sulphur,; no dissolution in 59% (w/w) sulphuric acid and Complete dissolution in concentrated sulphuric acid. Based on above observations the components of the mixture can be
| (A) | Viscose and Wool |
| (B) | Cotton and Acrylic |
| (C) | Viscose and Acrylic |
| (D) | Cotton and Wool |
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