Saved Bookmarks
| 1. |
A sample of H2O2 labelled as ‘20’ volume will have strength in gm/lit. (approximately)(a) 60 (b) 20 (c) 40 (d) 10 |
|
Answer» Correct option (a) 60 Strength (gm/lit) = 68/22.4 x Volume strength |
|