2. Indicate that the information given in the sentence is true / false.
- Oils/fats are hydrolyzed together with NaOH and KOH solutions. ………
- Soap solutions show neutral properties. ………
- Soaps containing potassium are softer. ………
- Water-insoluble part in soaps is known as hydrophobic. ………
- ions which give hardness to water are K+1 and Na+1 ………
- Detergents have better cleaning properties than soaps. ………
- Detergents are hydrolyzed in aqueous solutions. ………
- Bleach is used for cleaning and hygiene in laundry. ………
- The most important advantage of detergents with respect to soaps is that they do not form precipitates with metal ions in hard waters. ………
- The soils are usually oil and similar polar organic substances. ………