The cleansing action of soap in hard water is not satisfactory because soap
CHEMISTRY
WAEC 1996
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
Correct Answer: A. forms insoluble calcium and magnesium salts
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