Assertion: detergent's surfactant | /r/HasProperty | insoluble
Facets:
value: in hard water
type: LOCATION
value: usually
type: DEGREE
value: in cationic ones
type: LOCATION
Source sentences:
text: They are widely used as detergents than ionic surfactants because anionic surfactants are insoluble in hard water and cationic ones are considered to be poor cleaners.
text: These are preferred over the ionic surfactants which are usually insoluble in hard water and considered to be poor cleaners.