MCQOPTIONS
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| 1. |
Synthetic detergents are more effective in hard water than soaps because [AMU 2002] |
| A. | They are highly soluble in water |
| B. | Their \[C{{a}^{++}}\] and \[M{{g}^{++}}\] salts are water soluble |
| C. | Their \[C{{a}^{++}}\] and \[M{{g}^{++}}\] salts are insoluble in water |
| D. | None of these |
| Answer» C. Their \[C{{a}^{++}}\] and \[M{{g}^{++}}\] salts are insoluble in water | |