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Question 9Which of the following groups contain all synthetic substances?(a) Nylon, Terylene, Wool(b) Cotton, Polycot, Rayon(c) PVC, Polythene, Bakelite(d) Acrylic, Silk, Wool |
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Answer» Question 9 Which of the following groups contain all synthetic substances? (a) Nylon, Terylene, Wool (b) Cotton, Polycot, Rayon (c) PVC, Polythene, Bakelite (d) Acrylic, Silk, Wool |
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