Water softeners remove all of the following ions EXCEPT
A) Ca2+.
B) Fe2+.
C) Mg2+.
D) Na+.
Correct Answer:
Verified
Q3: Soap is
A)a glycerol ester.
B)a salt of a
Q5: In cleaning,soap acts as a(n)_ between "dirt"
Q7: Sodium carbonate (Na2CO3) and potassium carbonate (K2CO3)
Q8: The majority of household chemicals are
A)cleaning agents.
B)laundry
Q12: The substance with the formula shown below
Q13: The molecule shown below is a(n)
Q14: Washing soda is
A)sodium peroxide.
B)sodium carbonate.
C)sodium borate.
D)sodium chloride.
Q15: Soap can be made by boiling animal
Q17: Animal fats and vegetable oil can be
Q20: American pioneers combined potash solution and animal
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