Celanese silk is

Options :
  1. cellulose trinitrate
  2. cellulose acetate
  3. celllophane
  4. pyroxylin
Answer and Explanation :-

Answer: Option 2

Explanation:

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My theory is that hope is a form of madness. A benevolent one, sure, but madness all the same. Like an irrational superstition--broken mirrors and so forth--hope's not based on any kind of logic, it's just unfettered optimism, grounded in nothing but faith in things beyond our control.
-Benjamin Wood The Bellwether Revivals