Saved Bookmarks
| 1. |
The correct formula of Borax is : (a) Na2B4O7⋅8H2O (b) Na2 [B4O5 (OH)4 ]⋅10H2O (c) Na2B4O7⋅4H2O (d) Na2 [B4O5 (OH)4 ]⋅8H2O |
|
Answer» Correct option (b) Na2 [B4O5 (OH)4 ]⋅10H2O Explanation: Borax (sodium tetraborate decahydrate) Na2B4O7.10H2O. Borax occurs naturally as tincal. Na2[B4O5(OH)4].8H2O = Na2B4O7.10H2O |
|