State what effect on the lathering ability of soap

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1. What conclusion we can reach based on phenolphthalein test on saponification.?

2. After adding the CaCl2 the solution turned the water " hard". What effect did this have on the lathering ability od the soap? On the lathering abilitiy of detergent?

3. What do the letters mean in " EDTA"? how do water softeners work?

4 . Both soaps and detergent lower the surface tension of water. How does this help in cleaning?

Reference no: EM13210844

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