The organic part of soap (C₁₇H₃₅ COO⁻) combines with the Ca²⁺ ion of hard water and forms insoluble precipitate called scum. Thus, a large portion of soap is wasted in hard water and washing is not effective.
The organic part of soap (C₁₇H₃₅ COO⁻) combines with the Ca²⁺ ion of hard water and forms insoluble precipitate called scum. Thus, a large portion of soap is wasted in hard water and washing is not effective.
What do you mean by hard water?
A sample of water with which soap does not form good lather is called hard water.
A sample of water with which soap does not form good lather is called hard water.
See lessWhat is meant by lather?
Foam produced by soap in water is called lather.
Foam produced by soap in water is called lather.
See lessWashing with soap in hard water is difficult. Give reason.
The organic part of soap (C₁₇H₃₅ COO⁻) combines with the Ca²⁺ ion of hard water and forms insoluble precipitate called scum. Thus, a large portion of soap is wasted in hard water and washing is not effective.
The organic part of soap (C₁₇H₃₅ COO⁻) combines with the Ca²⁺ ion of hard water and forms insoluble precipitate called scum. Thus, a large portion of soap is wasted in hard water and washing is not effective.
See lessIs rainwater hard or soft water?
Rainwater is soft water.
Rainwater is soft water.
See less