MCQOPTIONS
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| 1. |
_The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.$? |
| A. | Cationic |
| B. | Anionic |
| C. | Amphoteric |
| D. | Semi polar |
| Answer» C. Amphoteric | |