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  9. Q28
Question 28

The cleansing action of soap in hard water is not satisfactory because soap

  • A.forms insoluble calcium and magnesium salts
  • B.is made from fats and oils
  • C.has an organic component
  • D.alters the surface tension of water
  • E.is a sodium salt of higher carboxylic acids
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1996
Question no.
#28
Type
Objective
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