Which of the following fibres when taken away from flame continue burning with an after glow?
1. Cotton
2. Rayon
3. Silk
4. Nylon
Which of the following fibres when taken away from flame continue burning with an after glow?
1. Cotton
2. Rayon
3. Silk
4. Nylon Correct Answer 2 and 3
মোঃ আরিফুল ইসলাম
Feb 20, 2025