Optical brighteners are often added to
A) detergents.
B) soaps.
C) cosmetics.
D) They are added to all of the above.
Correct Answer:
Verified
Q29: Which of the following is NOT a
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
Q35: Cationic surfactants are not good detergents but
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.
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