When soap is added to hard water, it reacts with the salts to form a scum. Why does this scum form ?
When soap is added to hard water, it reacts with the salts to form a scum. Why does this scum form ?
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago