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Question

Question: ‘Rayon’ is...

‘Rayon’ is

A

Natural silk

B

Artificial silk

C

Natural plastic or rubber

D

Synthetic plastic

Answer

Artificial silk

Explanation

Solution

‘Rayon’ is man-made fibre which consists of purified cellulose in the form of long threads. Rayon resembles silk in appearance. Hence called as artificial silk.

Cellulose(from woodpulp)NaOHCS2Viscose(Syrup like liquid)\underset{(\text{from woodpulp})}{\text{Cellulose}}\underset{CS_{2}}{\overset{\quad NaOH\quad}{\rightarrow}}\underset{(\text{Syrup like liquid})}{\text{Viscose}}

PassthroughSpinneretinto dil. H2SO4Rayon(Fine silken thread)\underset{\text{into dil. }H_{2}SO_{4}}{\underset{\text{Spinneret}}{\overset{\quad\text{Passthrough}\quad}{\rightarrow}}}\underset{(\text{Fine silken thread})}{\text{Rayon}}