GATE (TF) Textile 2010 Question Paper Solution | GATE/2010/TF/55

Question 55 (Textile Engineering & Fibre Science)

The undissolved part of the above experiment was further treated with 75 wt% H2SO4. The fibre/fibres that will not dissolved is/are

(D)Acrylic and Polyester
[Show Answer]

As we know polyester fibre dissolve in 75 % H2SO4

Hence, option B is correct


Polypropelene dissolve in 95% H2SO4

Wool dissolve in 5% H2SO4

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