Question 54 (Textile Engineering & Fibre Science)
When a blended yarn consisting of acrylic, polyester and viscose and viscose fibres is treated with 60 wt% H2SO4, partial dissolution is observed. The fibre/fibres that will dissolve is/are
| (A) | Acrylic |
| (B) | Polyester |
| (C) | Viscose |
| (D) | Acrylic and Viscose |
[Show Answer]
As we know
Viscose to soluble in 59% H2SO4
i.e. In 60 % H2SO4, Vicose fibre will dissolve.