Question

which of the following substance that is used in preparation of rayon? A)sodium hydroxide b)carbon dishulphite C)sulphuric acid D)sodium Chloride (I). I AND II ONLY (II). II AND III ONLY (III). I,II,III (IV)SODIUM CHLORIDE​

Answer 1

Answer:

III) I, II, III

Explanation:

First, the fibre is treated with a solution of $CS_{2}$ and $NaOH$. Then, it is passed though a heated spinneret with very small holes into a dil. $H_{2}SO_{4}$ solution. Then, it is dried, dyed and woven into fabric.

Answer 2

Answer:

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