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Rayon is derived from which of the following materials?

1. Plant-based cellulose
2. Synthetic polymers
3. Mineral-based compounds
4. None of these

Correct answer: Plant-based cellulose

Solution

Rayon is a semi-synthetic fiber made by regenerating natural plant cellulose (e.g., viscose process), so it is derived from plant-based cellulose. The correct option is index 0; the stored choice 'None of these' is wrong.

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