Saved Bookmarks
| 1. |
Liquid ammonia bottles are opened after cooling them in ice for sometime. It is because liquid NH3(a) Brings tears to the eyes(b) Has a high vapour pressure(c) Is a corrosive liquid(d) Is a mild explosive |
| Answer» (b) Liquid ammonia has high vapour pressure which is lowered down by cooling, otherwise the liquid will bump. | |