InterviewSolution
Saved Bookmarks
| 1. |
153.Givereasonsfor the following observations:(i) The element carbon forms a very largenumber of compounds.(äi) Air holes of a gas burner have to beadjusted when the heated vessels getblackened by the flame.(iii Use of synthetic detergents causesCBSE 2009pollution of water. |
| Answer» | |