Saved Bookmarks
| 1. |
Which of the following is not a semisynthetic polymer? (a) cis-polyisoprene (b) Cellulose nitrate (c) Cellulose acetate (d) Vulcanised rubber |
|
Answer» Which of the following is not a semisynthetic polymer? (a) cis-polyisoprene (b) Cellulose nitrate (c) Cellulose acetate (d) Vulcanised rubber |
|