The scum formed when soap is mixed with hard water could be
CHEMISTRY
WAEC 1992
The scum formed when soap is mixed with hard water could be
- A. calcium trioxocarbonate (IV)
- B. propane- 1, 2, 3 - triol
- C. calcium hydrogentrioxocarbonate (IV)
- D. magnesium tetraoxosulphate (IV)
Correct Answer: A. calcium trioxocarbonate (IV)
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