Give reason (any3)
1.Hard watersnot preffered for drinking.
2.Natural wateris never pure.
3.Silver nitrate solution is stored in dark coloured bottles.4
4.Water isuniversal solvent.
Answers
Answer:-
1)Because hard water contains high concentrations of magnesium and calcium, drinking hard water may help you get your recommended daily intake of these essential minerals. There is some speculation that drinking hard water may have cardiovascular benefits, but there's no definitive conclusion to back up that claim.
2) Water is never pure in nature. It normally contains some salts and minerals in solution and even bacteria and pollutants. Most of these substances, salts and minerals, in particular come from rocks and soils with which the water has been in contact. All these impurities make water useless for some purposes.
3)In the presence of light silver nitrate decompose to form silver. hence to prevent the decomposition it is kept in dark coloured bottles.
4)Water is called the "universal solvent" because it is capable of dissolving more substances than any other liquid. ... Water molecules have a polar arrangement of oxygen and hydrogen atoms—one side (hydrogen) has a positive electrical charge and the other side (oxygen) had a negative charge.