The active ingredient in chlorine laundry bleaches is
A) chlorine, Cl2.
B) sodium hypochlorite, NaOCl.
C) sodium chloride, NaCl.
D) a mixture of CFCs.
Correct Answer:
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Q2: One of the major problems with the
Q4: In hard water,soaps are converted to
A)insoluble salts.
B)bases.
C)lye.
D)anhydrides.
Q7: Which of the following statements about soaps
Q9: Water softeners
A)remove "hard" ions.
B)destroy "hard" ions.
C)modify "hard"
Q11: An advantage of potassium soaps is that
Q22: Automatic dishwashing detergents are
A)similar to detergents for
Q25: Sequestration is
A)precipitating magnesium and calcium ions.
B)when sodium
Q31: The major advantage of LAS detergents over
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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