Cationic surfactants are not good detergents but are used mainly for their ________ action.
A) cleaning
B) menthol
C) germicidal
D) darkening
Correct Answer:
Verified
Q30: Which of the following statements is NOT
Q31: The major advantage of LAS detergents over
Q32: Which water softener "ties up" calcium ions
Q33: Optical brighteners work by
A)absorbing blue rays and
Q34: Optical brighteners are often added to
A)detergents.
B)soaps.
C)cosmetics.
D)They are
Q36: Which of the following categories of surfactants
Q37: The active ingredient in oxygen bleaches is
A)NaOCl.
B)NaBO₂
Q38: Quaternary salts with two long carbon chains
Q39: Soaps are
A)anionic surfactants.
B)nonionic surfactants.
C)neutral surfactants.
D)positive surfactants.
Q40: Detergents are better cleaners than soaps in
A)hard
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