InterviewSolution
Saved Bookmarks
| 1. |
The role of phosphate in detergent powder is (a) control pH level of the detergent water mixture (b) remove Ca2+ and Mg2+ ions from water that causes hardness of water (c) provide whiteness to the fabric (d) more soluble in soft water |
|
Answer» (b) remove Ca2+ and Mg2+ ions from water that causes hardness of water |
|