Explanation : Glycerol is added to shaving soap to prevent rapid drying while to enhance the leathering property of soap a gum called rosin is added to them It forms sodium rosinate which lathers well soap granules are dried miniature soap bubbles. Builders / fillers make the soap act more rapidly.
Q. In a March Past, seven persons are standing in a row. Q is standing left to R but right to P. 0 is standing right to N and left to P. Similarly, S is standing right to R and …
