Answer:
Oh man, the questions are much
Explanation:
1. Hard water is water what has high mineral content. (I can't go into details )
2. River, reservoir, Lake, groundwater, rain
3. H2O
4. POW is the process of removing undesirable chemicals, biological contaminants, suspended solids and gases from water.
5. Reduces amount of chlorine, soil residue, and organic and inorganic substances. Helps in improving the taste. Smell and visual appearance of water.
6. Boiling, filtration, distillation, and chlorination
7. Dust, dirt, harmful chemicals, biological contaminants, radiological contaminants
8. It is the contamination of water bodies, usually as a result of human activities, in such a manner that negatively affects it legitimate uses.
9. Colorless, turbidity, taste And odor.
10. Hardness of water is caused by compounds of calcium and magnesium, and by a variety of other metals.
