12th Class Chemistry Sample Paper Chemistry Sample Test Paper-3

  • question_answer   What are miscelles? "Action of soap is due to emulsification and micelle formation." Comment.                 3


                      Miscelles: Miscelles are the cluster of aggregated particles formed by association of colloids in solution, e.g.,                 soap and detergent.                                                                                                                                                       1 Cleaning action of soap: The cleaning action of soap is due to its tendency to act as miscelle and emulsion.    1                                                          Soap acts as an emulsifier by lowering the interfacial tension between oil and water and thus stabilizes the emulsion.                                                                                                                                                                            1


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