Q7. Which of the following groups contains all synthetic substances?
Nylon, terylene, wool
Cotton, polycot, rayon
PVC, polythene, bakelite
Acrylic, silk, wool
Answers
Answered by
4
Answer:
PVC, polythene, bakelite is the correct answer.
Answered by
2
Answer:
PVC, polythene, bakelite
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