Which of the following statements is NOT true for fabric softeners?
A) They are anionic surfactants.
B) They are quaternary salts.
C) They form a film which lubricates the fibers in the fabric.
D) They have two long hydrocarbon chains.
Correct Answer:
Verified
Q25: Sequestration is
A)precipitating magnesium and calcium ions.
B)when sodium
Q26: A problem with ABS detergents is that
Q27: Why are perborate bleaches better for white,resin-treated,polyester-cotton
Q28: Which of the following forms a strongly
Q29: Which of the following is NOT a
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
Q35: Cationic surfactants are not good detergents but
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