What are fillers and what role do these fillers play in soap?

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(N/A) Substances which are added to soaps to change their properties in order to make them more useful for a particular application are called fillers.
Some important examples are given below:
$(i)$ Sodium rosinate,sodium silicate,borax,and sodium carbonate are added to laundry soap to increase their lather-forming ability.
$(ii)$ Glycerol is added to shaving soaps to prevent them from rapid drying.
$(iii)$ In medicated soaps,substances of medicinal value are added.

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Match List-$I$ with List-$II$:
List-$I$List-$II$
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Column $-I$ Column $-II$
$A$. Soap chips $1$. Dried miniature soap bubbles
$B$. Soap granules $2$. Small broken pieces of soap formed from melted soaps
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