InterviewSolution
Saved Bookmarks
| 1. |
The percentage of carbon in Lignite is ________ % (1) 70 to 90 (2) 60 to 80 (3) 60 to 90 (4) 60 to 70 |
|
Answer» (4) Bleaching powder 60 – 70 carbon % in lignite. |
|